# Electrostatics-Capacitors (KVPY (Kishore Vaigyanik Protsahan Yojana) Stream SB-SX (Class 12 & 1st Year B.Sc.) Physics): Questions 1 - 3 of 5

Get 1 year subscription: Access detailed explanations (illustrated with images and videos) to 268 questions. Access all new questions we will add tracking exam-pattern and syllabus changes. View Sample Explanation or View Features.

Rs. 200.00 or

## Question number: 1

» Electrostatics » Capacitors

Appeared in Year: 2012

MCQ▾

### Question

The capacitor of capacitance C in the circuit shown is fully charged initially, Resistance is R.

After the switch S is closed, the time taken to reduce the stored energy in the capacitor to half its initial value is:

### Choices

Choice (4) Response

a.

Cln 2

b.

c.

d.

## Question number: 2

» Electrostatics » Capacitors

MCQ▾

### Question

Three identical parallel plate capacitors of capacitance 2 µF each are connected in series with a battery of emf, 10 V as shown. Q is the charge on the capacitor. If two of the capacitors are now filled with a dielectric of dielectric constant k, the amount of charge which will flow through the battery is (neglect internal resistance of the battery)

### Choices

Choice (4) Response

a.

b.

c.

d.

## Question number: 3

» Electrostatics » Capacitors

Appeared in Year: 2014

MCQ▾

### Question

What are the charges stored in the 1 µF and 2 µF capacitors in the circuit below, once the currents become steady?

### Choices

Choice (4) Response

a.

4 µC and 8 µC respectively

b.

3 µC and 6 µC respectively

c.

8 µC and 4 µC respectively

d.

6 µC and 3 µC respectively

f Page