Voltage and Current

Download Q&A

Voltage and Current MCQ & Objective Questions

Understanding Voltage and Current is crucial for students preparing for school exams and competitive tests in India. These fundamental concepts form the backbone of electrical theory and are often featured in MCQs and objective questions. Practicing these questions not only enhances conceptual clarity but also boosts confidence, helping students score better in their exams.

What You Will Practise Here

  • Definitions and units of Voltage and Current
  • Ohm's Law and its applications
  • Types of circuits: Series and Parallel
  • Key formulas related to Voltage and Current
  • Diagrams illustrating circuit components
  • Real-life applications of Voltage and Current
  • Common misconceptions and problem-solving strategies

Exam Relevance

The concepts of Voltage and Current are integral to the curriculum of CBSE, State Boards, NEET, and JEE. Students can expect questions that test their understanding of Ohm's Law, circuit analysis, and practical applications. Common patterns include numerical problems, conceptual questions, and diagram-based queries, making it essential to master these topics for effective exam preparation.

Common Mistakes Students Make

  • Confusing Voltage with Current and their respective units
  • Misapplying Ohm's Law in circuit problems
  • Overlooking the significance of circuit diagrams
  • Neglecting to consider the effects of series and parallel connections

FAQs

Question: What is the difference between Voltage and Current?
Answer: Voltage is the potential difference that drives current through a circuit, while current is the flow of electric charge.

Question: How can I effectively prepare for Voltage and Current questions in exams?
Answer: Regular practice of MCQs and objective questions, along with understanding key concepts and formulas, is essential for effective preparation.

Start solving practice MCQs on Voltage and Current today to test your understanding and improve your exam performance. Remember, consistent practice is the key to success!

Q. In a BJT, what is the region called when it is biased in the active mode?
  • A. Cut-off
  • B. Saturation
  • C. Active
  • D. Reverse
Q. What is the effect of increasing the gate voltage in an n-channel FET?
  • A. Decreases current
  • B. Increases current
  • C. No effect
  • D. Reverses current direction
Q. What is the forward voltage drop of a typical silicon diode?
  • A. 0.2V
  • B. 0.7V
  • C. 1.2V
  • D. 0.5V
Q. What is the output impedance of an ideal op-amp?
  • A. Zero ohms
  • B. Infinite ohms
  • C. 100 ohms
  • D. 1k ohms
Q. What is the primary function of a FET?
  • A. Current amplification
  • B. Voltage amplification
  • C. Voltage control
  • D. Power control
Q. What is the primary role of a rectifier in a power supply?
  • A. To increase voltage
  • B. To convert AC to DC
  • C. To filter noise
  • D. To regulate current
Q. What is the primary role of a resistor in a BJT circuit?
  • A. To increase current gain
  • B. To limit base current
  • C. To provide feedback
  • D. To stabilize temperature
Q. What is the typical open-loop gain of an operational amplifier?
  • A. 1
  • B. 10
  • C. 100
  • D. 100,000
Showing 1 to 8 of 8 (1 Pages)
Soulshift Feedback ×

On a scale of 0–10, how likely are you to recommend The Soulshift Academy?

Not likely Very likely