Technical MCQ & Objective Questions
In today's competitive educational landscape, mastering the "Technical" subject is crucial for students preparing for school and competitive exams. Practicing MCQs and objective questions not only enhances your understanding but also boosts your confidence in tackling important questions during exams. Engaging with practice questions helps solidify concepts, making it easier to score better in assessments.
What You Will Practise Here
Fundamental concepts of mechanics and thermodynamics
Key formulas related to electrical circuits and systems
Definitions of important technical terms and principles
Diagrams illustrating key technical processes and systems
Theory areas covering electronics and communication
Problem-solving techniques for technical applications
Analysis of case studies relevant to technical scenarios
Exam Relevance
The "Technical" subject is a significant component of various examinations, including CBSE, State Boards, NEET, and JEE. Questions often focus on applying theoretical knowledge to practical situations, with common patterns including multiple-choice questions that test both conceptual understanding and problem-solving skills. Familiarity with these patterns through practice can greatly enhance your exam performance.
Common Mistakes Students Make
Misinterpreting technical terms and definitions
Overlooking the importance of units and conversions in calculations
Failing to apply theoretical concepts to practical problems
Rushing through diagrams without understanding their significance
FAQs
Question: How can I improve my performance in Technical MCQs?Answer: Regular practice with objective questions and understanding the underlying concepts will significantly enhance your performance.
Question: Are there specific resources for Technical objective questions with answers?Answer: Yes, many educational platforms, including SoulShift, provide curated practice questions tailored for exam preparation.
Don't wait any longer! Start solving practice MCQs today to test your understanding and prepare effectively for your exams. Your success in mastering "Technical" concepts is just a question away!
Q. In a parallel circuit with a diode, what is the effect of reverse bias on the diode?
A.
It conducts current
B.
It blocks current
C.
It increases voltage
D.
It decreases resistance
Show solution
Solution
When a diode is reverse biased in a parallel circuit, it blocks current flow, effectively acting as an open circuit.
Correct Answer:
B
— It blocks current
Learn More →
Q. In a parallel circuit with three resistors, if one resistor fails open, what happens to the circuit?
A.
The circuit stops working
B.
The total resistance increases
C.
The total current decreases
D.
The other resistors continue to function
Show solution
Solution
In a parallel circuit, if one resistor fails open, the other resistors continue to function, and the circuit remains operational.
Correct Answer:
D
— The other resistors continue to function
Learn More →
Q. In a parallel circuit, how does the power dissipated by each resistor relate to the total power?
A.
Total power is the sum of individual powers
B.
Total power is the product of individual powers
C.
Total power is the average of individual powers
D.
Total power is the maximum of individual powers
Show solution
Solution
In a parallel circuit, the total power dissipated is the sum of the power dissipated by each resistor.
Correct Answer:
A
— Total power is the sum of individual powers
Learn More →
Q. In a parallel circuit, if one branch fails open, what happens to the other branches?
A.
They stop working
B.
They continue to operate normally
C.
They short-circuit
D.
They increase in voltage
Show solution
Solution
In a parallel circuit, if one branch fails open, the other branches continue to operate normally as they are independent paths.
Correct Answer:
B
— They continue to operate normally
Learn More →
Q. In a parallel circuit, if one resistor fails open, what happens to the other resistors?
A.
They stop working
B.
They continue to operate normally
C.
They short circuit
D.
They increase in resistance
Show solution
Solution
If one resistor in a parallel circuit fails open, the other resistors continue to operate normally as they are still connected to the same voltage source.
Correct Answer:
B
— They continue to operate normally
Learn More →
Q. In a parallel circuit, the power consumed by each component is:
A.
The same
B.
Different
C.
Dependent on the voltage
D.
Dependent on the current
Show solution
Solution
The power consumed by each component in a parallel circuit can be different, depending on the resistance and current through each component.
Correct Answer:
B
— Different
Learn More →
Q. In a parallel circuit, the voltage across each component is:
A.
The same
B.
Different
C.
Dependent on the current
D.
Dependent on the resistance
Show solution
Solution
In a parallel circuit, all components share the same voltage across their terminals.
Correct Answer:
A
— The same
Learn More →
Q. In a parallel circuit, what is the voltage across each component?
A.
The same as the total voltage
B.
Different for each component
C.
Zero volts
D.
The average of all voltages
Show solution
Solution
In a parallel circuit, the voltage across each component is the same as the total voltage applied across the circuit.
Correct Answer:
A
— The same as the total voltage
Learn More →
Q. In a peak detector circuit using an op-amp, what component is crucial for storing the peak voltage?
A.
Resistor
B.
Capacitor
C.
Inductor
D.
Diode
Show solution
Solution
A capacitor is crucial in a peak detector circuit as it stores the peak voltage for later use.
Correct Answer:
B
— Capacitor
Learn More →
Q. In a PLD, what does the term 'logic array' refer to?
A.
A collection of resistors
B.
A matrix of programmable connections
C.
A type of diode configuration
D.
A series of capacitors
Show solution
Solution
The logic array in a PLD is a matrix of programmable connections that can be configured to implement various logic functions.
Correct Answer:
B
— A matrix of programmable connections
Learn More →
Q. In a PLD, what is the role of the logic array?
A.
To store data
B.
To perform arithmetic operations
C.
To implement logic functions
D.
To amplify signals
Show solution
Solution
The logic array in a PLD is responsible for implementing the desired logic functions based on the user's configuration.
Correct Answer:
C
— To implement logic functions
Learn More →
Q. In a precision rectifier circuit, what is the main advantage over a standard diode rectifier?
A.
Higher efficiency
B.
Lower forward voltage drop
C.
Ability to rectify small signals accurately
D.
Faster switching speed
Show solution
Solution
A precision rectifier can accurately rectify small signals that would be lost in a standard diode rectifier due to the diode's forward voltage drop.
Correct Answer:
C
— Ability to rectify small signals accurately
Learn More →
Q. In a rectifier circuit, what happens to the output voltage when the input AC voltage is at its peak?
A.
Output voltage is zero
B.
Output voltage is equal to the peak input voltage
C.
Output voltage is half the peak input voltage
D.
Output voltage is negative
Show solution
Solution
In a rectifier circuit, the output voltage at peak input AC voltage is equal to the peak input voltage, following Ohm's Law.
Correct Answer:
B
— Output voltage is equal to the peak input voltage
Learn More →
Q. In a rectifier circuit, what is the purpose of a filter capacitor?
A.
To increase the output voltage
B.
To smooth out the rectified output
C.
To decrease the current flow
D.
To convert AC to DC
Show solution
Solution
The filter capacitor in a rectifier circuit smooths out the rectified output by reducing voltage ripple.
Correct Answer:
B
— To smooth out the rectified output
Learn More →
Q. In a relational database, what does a foreign key do?
A.
Links two tables together
B.
Ensures data integrity
C.
Acts as a primary key in another table
D.
All of the above
Show solution
Solution
A foreign key links two tables together, ensures data integrity, and can act as a primary key in another table.
Correct Answer:
D
— All of the above
Learn More →
Q. In a relational database, what does a foreign key represent?
A.
A unique identifier for a table
B.
A reference to a primary key in another table
C.
An attribute of an entity
D.
A constraint on data types
Show solution
Solution
A foreign key is a field (or collection of fields) in one table that uniquely identifies a row of another table.
Correct Answer:
B
— A reference to a primary key in another table
Learn More →
Q. In a relational database, what is a foreign key?
A.
A unique identifier for a record
B.
A key that links two tables together
C.
A key that is not indexed
D.
A key used for data encryption
Show solution
Solution
A foreign key is a field (or collection of fields) in one table that uniquely identifies a row of another table, establishing a link between them.
Correct Answer:
B
— A key that links two tables together
Learn More →
Q. In a relational database, what is the purpose of a foreign key?
A.
To uniquely identify a record
B.
To establish a relationship between two tables
C.
To enforce data integrity
D.
To improve query performance
Show solution
Solution
A foreign key is used to establish a relationship between two tables, linking records in one table to records in another.
Correct Answer:
B
— To establish a relationship between two tables
Learn More →
Q. In a ring counter, how many states does it have if it has 4 flip-flops?
Show solution
Solution
A ring counter with 4 flip-flops has 4 unique states.
Correct Answer:
A
— 4
Learn More →
Q. In a Schmitt trigger circuit, what is the effect of hysteresis?
A.
It increases the gain
B.
It stabilizes the output against noise
C.
It reduces the input impedance
D.
It allows for faster switching
Show solution
Solution
Hysteresis in a Schmitt trigger stabilizes the output against noise by providing two different threshold voltages for switching.
Correct Answer:
B
— It stabilizes the output against noise
Learn More →
Q. In a serial-in parallel-out shift register, how is data entered?
A.
All at once
B.
One bit at a time
C.
In groups of four
D.
In reverse order
Show solution
Solution
Data is entered one bit at a time in a serial-in parallel-out shift register.
Correct Answer:
B
— One bit at a time
Learn More →
Q. In a series circuit with a BJT, what happens to the collector current when the base current increases?
A.
It decreases
B.
It remains the same
C.
It increases
D.
It becomes zero
Show solution
Solution
In a BJT, the collector current is proportional to the base current, so an increase in base current results in an increase in collector current.
Correct Answer:
C
— It increases
Learn More →
Q. In a series circuit with an operational amplifier, what is the role of feedback?
A.
To increase the input impedance
B.
To stabilize the gain
C.
To decrease the output voltage
D.
To isolate the input from the output
Show solution
Solution
Feedback in an operational amplifier circuit helps to stabilize the gain and improve linearity.
Correct Answer:
B
— To stabilize the gain
Learn More →
Q. In a series circuit with capacitors, how is the total capacitance calculated?
A.
It is the sum of all capacitances
B.
It is the product of all capacitances
C.
It is the reciprocal of the sum of the reciprocals
D.
It is the maximum capacitance
Show solution
Solution
In a series circuit, the total capacitance is calculated as the reciprocal of the sum of the reciprocals of individual capacitances.
Correct Answer:
C
— It is the reciprocal of the sum of the reciprocals
Learn More →
Q. In a series circuit, what happens to the voltage across each component if the total voltage is constant and the resistance of one component increases?
A.
Voltage across all components increases
B.
Voltage across all components decreases
C.
Voltage across the increased resistance increases
D.
Voltage across the increased resistance decreases
Show solution
Solution
If the total voltage is constant and the resistance of one component increases, the voltage across that component will increase.
Correct Answer:
C
— Voltage across the increased resistance increases
Learn More →
Q. In a series circuit, what is the effect of adding more resistors on the total resistance?
A.
Total resistance decreases
B.
Total resistance increases
C.
Total resistance remains the same
D.
Total resistance becomes zero
Show solution
Solution
Adding more resistors in series increases the total resistance of the circuit.
Correct Answer:
B
— Total resistance increases
Learn More →
Q. In a series circuit, what is the effect of increasing the total resistance on the current flow?
A.
Current increases
B.
Current decreases
C.
Current remains the same
D.
Current becomes zero
Show solution
Solution
According to Ohm's law, increasing the total resistance in a series circuit decreases the current flow.
Correct Answer:
B
— Current decreases
Learn More →
Q. In a series circuit, what is the total voltage across multiple diodes?
A.
It is the sum of the individual diode voltages
B.
It is the average of the diode voltages
C.
It is the maximum diode voltage
D.
It is zero
Show solution
Solution
In a series circuit, the total voltage is the sum of the individual diode voltages.
Correct Answer:
A
— It is the sum of the individual diode voltages
Learn More →
Q. In a series RL circuit, what happens to the current when the voltage is suddenly applied?
A.
It instantly reaches maximum value
B.
It increases linearly
C.
It increases exponentially
D.
It remains constant
Show solution
Solution
In a series RL circuit, the current increases exponentially due to the inductor's opposition to changes in current.
Correct Answer:
C
— It increases exponentially
Learn More →
Q. In a series RL circuit, what is the phase relationship between voltage and current?
A.
Voltage leads current by 90 degrees
B.
Current leads voltage by 90 degrees
C.
Voltage and current are in phase
D.
Voltage lags current
Show solution
Solution
In a series RL circuit, the voltage lags the current due to the inductive reactance.
Correct Answer:
D
— Voltage lags current
Learn More →
Showing 91 to 120 of 1509 (51 Pages)
