JEE-MAIN SERIES Physics
Ac Voltage
5 previous year questions.
Volume: 5 Ques
Yield: Medium
High-Yield Trend
2
2024 1
2023 2
2022 Chapter Questions 5 MCQs
01
PYQ 2022
medium
physics ID: jee-main
The I–V characteristics of a p-n junction diode in forward bias is shown in the figure. The ratio of dynamic resistance, corresponding to forward bias voltage of 2 V and 4 V respectively, is


1
1:2
2
5:1
3
1:40
4
20:1
02
PYQ 2022
medium
physics ID: jee-main
The maximum and minimum voltage of an amplitude modulated signal are 60 V and 20 V, respectively. The percentage modulation index will be:
1
0.5%
2
50%
3
2%
4
30%
03
PYQ 2023
medium
physics ID: jee-main
A student is provided with a variable voltage source V, a test resistor Rr = 10Ω, two identical galvanometers G1 and G2 and two additional resistors, R1 = 10MΩ and R2 = 0.001Ω. For conducting an experiment to verify ohms law, the most suitable circuit is
1

2

3

4

04
PYQ 2024
medium
physics ID: jee-main
In circuit with source voltage = is connected to series circuit whose power factor is If , the new power factor is :
1
2
3
4
05
PYQ 2024
medium
physics ID: jee-main
Alternating voltage and current in circuit is given as volt
Find average power dissipated in circuit.
Find average power dissipated in circuit.
1
2.5 w
2
5 w
3
10 w
4
20 w
About Ac Voltage - JEE-MAIN
Ac Voltage is a vital chapter for JEE-MAIN aspirants. Mastering the concepts covered in this chapter is essential for securing a top rank.
By rigorously practicing the previous year questions associated with this chapter, you can identify high-yield topics, understand the examiner's perspective, and boost your confidence during the actual exam.
Frequently Asked Questions
Why focus on Ac Voltage PYQs?
Analyzing PYQs for this specific chapter reveals the most frequently tested concepts and the typical complexity of questions, allowing you to tailor your study plan efficiently.
How to best use this analysis?
Review the topic breakdown to see which sub-topics within Ac Voltage carry the most weight. Then, tackle the questions iteratively to solidify your understanding.

