Q. If a circuit has a 15V battery and two resistors (5Ω and 10Ω) in series, what is the voltage across the 10Ω resistor?
A.
5V
B.
10V
C.
15V
D.
0V
Show solution
Solution
Using the voltage divider rule, V2 = (R2 / (R1 + R2)) * Vtotal = (10 / (5 + 10)) * 15 = 10V.
Correct Answer:
B
— 10V
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Q. If a circuit has a 15V battery and two resistors (R1 = 5Ω, R2 = 10Ω) in series, what is the voltage across R2?
A.
10V
B.
5V
C.
15V
D.
0V
Show solution
Solution
Voltage across R2 = (R2 / (R1 + R2)) * V = (10Ω / (5Ω + 10Ω)) * 15V = 10V.
Correct Answer:
A
— 10V
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Q. If a circuit has a 15V battery and two resistors of 5Ω and 10Ω in series, what is the power dissipated by the 10Ω resistor?
A.
1.5W
B.
2.5W
C.
3.75W
D.
5W
Show solution
Solution
Total resistance R = 5Ω + 10Ω = 15Ω. Current I = V/R = 15V/15Ω = 1A. Power P = I^2 * R = 1^2 * 10 = 10W.
Correct Answer:
C
— 3.75W
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Q. If a circuit has a 24V battery and two resistors of 6Ω and 12Ω in series, what is the voltage across the 12Ω resistor?
A.
8V
B.
12V
C.
16V
D.
18V
Show solution
Solution
Using the voltage divider rule, V2 = (R2 / (R1 + R2)) * Vtotal = (12 / (6 + 12)) * 24 = 16V.
Correct Answer:
B
— 12V
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Q. If a circuit has a 9V battery and two resistors of 3Ω and 6Ω in series, what is the voltage across the 6Ω resistor?
A.
3V
B.
6V
C.
9V
D.
4.5V
Show solution
Solution
Using the voltage divider rule, V6Ω = (R6Ω / (R3Ω + R6Ω)) * Vtotal = (6 / (3 + 6)) * 9 = 6V.
Correct Answer:
B
— 6V
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Q. If a circuit has a current of 0.5 A and a resistance of 20 ohms, what is the voltage?
A.
10 V
B.
5 V
C.
15 V
D.
20 V
Show solution
Solution
Using Ohm's Law, V = I * R = 0.5 A * 20 Ω = 10 V.
Correct Answer:
A
— 10 V
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Q. If a circuit has a current of 2 A flowing through a resistor of 5 ohms, what is the voltage across the resistor?
A.
5 V
B.
10 V
C.
2 V
D.
1 V
Show solution
Solution
Using Ohm's Law, V = I * R. Here, V = 2 A * 5 ohms = 10 V.
Correct Answer:
B
— 10 V
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Q. If a circuit has a current of 2A flowing through a 5Ω resistor, what is the power dissipated by the resistor?
A.
5W
B.
10W
C.
15W
D.
20W
Show solution
Solution
Power (P) = I^2 * R = (2^2) * 5 = 4 * 5 = 20W.
Correct Answer:
B
— 10W
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Q. If a circuit has a current of 2A flowing through a 5Ω resistor, what is the voltage across the resistor?
A.
10V
B.
5V
C.
2.5V
D.
1V
Show solution
Solution
Using Ohm's Law, V = I * R = 2A * 5Ω = 10V.
Correct Answer:
A
— 10V
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Q. If a circuit has a current of 3 A and a resistance of 4 ohms, what is the voltage across the circuit?
A.
7 V
B.
12 V
C.
15 V
D.
20 V
Show solution
Solution
Using Ohm's Law, V = IR = 3 A * 4 Ω = 12 V.
Correct Answer:
B
— 12 V
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Q. If a circuit has a current of 3A flowing through a 10Ω resistor, what is the power dissipated by the resistor?
A.
30W
B.
10W
C.
90W
D.
15W
Show solution
Solution
Power (P) = I^2 * R = 3^2 * 10 = 9 * 10 = 90W.
Correct Answer:
A
— 30W
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Q. If a circuit has a current of 3A flowing through a 5Ω resistor, what is the power dissipated in the resistor?
Show solution
Solution
Power (P) = I^2 * R = (3A)^2 * 5Ω = 9A^2 * 5Ω = 45W.
Correct Answer:
A
— 15W
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Q. If a circuit has a current of 3A flowing through a 5Ω resistor, what is the power dissipated by the resistor?
A.
5W
B.
10W
C.
15W
D.
20W
Show solution
Solution
Power (P) = I^2 * R = (3A)^2 * 5Ω = 9 * 5 = 45W.
Correct Answer:
C
— 15W
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Q. If a circuit has a current of 5 A and a resistance of 10 Ω, what is the power consumed in the circuit?
A.
50 W
B.
25 W
C.
10 W
D.
5 W
Show solution
Solution
Power (P) can be calculated using P = I^2 * R = (5 A)^2 * 10 Ω = 25 A^2 * 10 Ω = 250 W.
Correct Answer:
A
— 50 W
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Q. If a circuit has a current of 5 A and a resistance of 10 Ω, what is the voltage?
A.
50 V
B.
5 V
C.
10 V
D.
15 V
Show solution
Solution
Using Ohm's Law, V = I * R = 5 A * 10 Ω = 50 V.
Correct Answer:
A
— 50 V
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Q. If a circuit has a current of 5 amperes and a resistance of 10 ohms, what is the voltage?
A.
50 volts
B.
5 volts
C.
10 volts
D.
15 volts
Show solution
Solution
Using Ohm's Law, V = I * R = 5 A * 10 Ω = 50 V.
Correct Answer:
A
— 50 volts
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Q. If a circuit has a current of 5A flowing through a 10Ω resistor, what is the power dissipated by the resistor?
A.
25W
B.
50W
C.
75W
D.
100W
Show solution
Solution
Power (P) = I^2 * R = 5^2 * 10 = 25 * 10 = 250W.
Correct Answer:
B
— 50W
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Q. If a circuit has a current of 5A flowing through a resistor of 10Ω, what is the voltage across the resistor?
A.
5V
B.
10V
C.
15V
D.
50V
Show solution
Solution
Using Ohm's Law (V = IR), the voltage is V = 5A * 10Ω = 50V.
Correct Answer:
B
— 10V
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Q. If a circuit has a total current of 3 A and a total resistance of 6 ohms, what is the voltage supplied by the battery?
A.
9 V
B.
6 V
C.
3 V
D.
12 V
Show solution
Solution
Using Ohm's law, V = I * R, we have V = 3 A * 6 ohms = 18 V.
Correct Answer:
A
— 9 V
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Q. If a circuit has a total current of 5 A and a total resistance of 10 ohms, what is the voltage across the circuit?
A.
50 V
B.
5 V
C.
10 V
D.
2 V
Show solution
Solution
Using Ohm's law, V = I * R, we have V = 5 A * 10 ohms = 50 V.
Correct Answer:
A
— 50 V
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Q. If a circuit has a total current of 5A and a total resistance of 10Ω, what is the total voltage supplied by the battery?
A.
25V
B.
50V
C.
75V
D.
100V
Show solution
Solution
Using Ohm's Law, V = I * R = 5A * 10Ω = 50V.
Correct Answer:
B
— 50V
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Q. If a circuit has a total resistance of 10 ohms and a total voltage of 50V, what is the total current?
A.
5 A
B.
10 A
C.
2 A
D.
0.5 A
Show solution
Solution
Using Ohm's law, I = V/R = 50V / 10 ohms = 5 A.
Correct Answer:
A
— 5 A
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Q. If a circuit has a total resistance of 10Ω and a current of 1.5A, what is the voltage supplied by the battery?
A.
15V
B.
10V
C.
5V
D.
20V
Show solution
Solution
Using Ohm's Law, V = I * R = 1.5A * 10Ω = 15V.
Correct Answer:
A
— 15V
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Q. If a circuit has a total resistance of 10Ω and a current of 2A flowing through it, what is the total voltage supplied by the battery?
A.
5V
B.
10V
C.
15V
D.
20V
Show solution
Solution
Using Ohm's Law, V = I * R = 2A * 10Ω = 20V.
Correct Answer:
B
— 10V
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Q. If a circuit has a total resistance of 10Ω and a current of 2A flowing through it, what is the voltage across the circuit?
A.
5V
B.
10V
C.
20V
D.
15V
Show solution
Solution
Using Ohm's Law, V = I * R = 2A * 10Ω = 20V.
Correct Answer:
C
— 20V
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Q. If a circuit has a total resistance of 10Ω and a current of 2A, what is the total voltage supplied by the battery?
A.
10V
B.
20V
C.
30V
D.
40V
Show solution
Solution
Using Ohm's Law, V = I * R = 2A * 10Ω = 20V.
Correct Answer:
B
— 20V
Learn More →
Q. If a circuit has a total resistance of 10Ω and a current of 3A, what is the total voltage supplied by the battery?
A.
10V
B.
20V
C.
30V
D.
40V
Show solution
Solution
Using Ohm's Law, V = I * R = 3A * 10Ω = 30V.
Correct Answer:
C
— 30V
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Q. If a circuit has a total resistance of 10Ω and a current of 5A, what is the total voltage supplied by the battery?
A.
10V
B.
20V
C.
30V
D.
50V
Show solution
Solution
Using Ohm's Law, V = I * R = 5A * 10Ω = 50V.
Correct Answer:
B
— 20V
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Q. If a circuit has a total resistance of 12 ohms and a current of 3A flows through it, what is the voltage across the circuit?
A.
24V
B.
36V
C.
12V
D.
18V
Show solution
Solution
Using Ohm's law, V = I * R = 3A * 12 ohms = 36V.
Correct Answer:
B
— 36V
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Q. If a circuit has a total resistance of 12Ω and a current of 1.5A flowing through it, what is the total voltage supplied by the battery?
A.
18V
B.
12V
C.
6V
D.
9V
Show solution
Solution
Using Ohm's Law, V = I * R = 1.5A * 12Ω = 18V.
Correct Answer:
A
— 18V
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Showing 1591 to 1620 of 5000 (167 Pages)
Physics Syllabus (JEE Main) MCQ & Objective Questions
The Physics Syllabus for JEE Main is crucial for students aiming to excel in their exams. Understanding this syllabus not only helps in grasping fundamental concepts but also enhances problem-solving skills through practice. Engaging with MCQs and objective questions is essential for effective exam preparation, as it allows students to identify important questions and strengthen their knowledge base.
What You Will Practise Here
Mechanics: Laws of Motion, Work, Energy, and Power
Thermodynamics: Laws of Thermodynamics, Heat Transfer
Waves and Oscillations: Simple Harmonic Motion, Wave Properties
Electromagnetism: Electric Fields, Magnetic Fields, and Circuits
Optics: Reflection, Refraction, and Optical Instruments
Modern Physics: Quantum Theory, Atomic Models, and Nuclear Physics
Fluid Mechanics: Properties of Fluids, Bernoulli's Principle
Exam Relevance
The Physics Syllabus (JEE Main) is integral to various examinations, including CBSE, State Boards, and competitive exams like NEET and JEE. Questions often focus on conceptual understanding and application of theories. Common patterns include numerical problems, conceptual MCQs, and assertion-reason type questions, which test both knowledge and analytical skills.
Common Mistakes Students Make
Misinterpreting the question stem, leading to incorrect answers.
Neglecting units and dimensions in calculations.
Overlooking the significance of diagrams in understanding concepts.
Confusing similar concepts, such as velocity and acceleration.
Failing to apply formulas correctly in different contexts.
FAQs
Question: What are the key topics in the Physics Syllabus for JEE Main?Answer: Key topics include Mechanics, Thermodynamics, Waves, Electromagnetism, Optics, Modern Physics, and Fluid Mechanics.
Question: How can I improve my performance in Physics MCQs?Answer: Regular practice of MCQs, understanding concepts deeply, and revising important formulas can significantly enhance your performance.
Start solving practice MCQs today to test your understanding of the Physics Syllabus (JEE Main). This will not only boost your confidence but also prepare you effectively for your upcoming exams. Remember, consistent practice is the key to success!
