Current Electricity (JEE (Based on NTA Guidelines-IIT Engg.) Advanced Physics): Questions 1 - 3 of 15

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Question number: 1

» Current Electricity » Electric Current

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Appeared in Year: 2016

MCQ▾

Question

In the circuit shown below, the key is pressed at time . Which of the following statement (s) is (are) true?

 Circuit of two resistors and two capacitors

Circuit of Two Resistors and Two Capacitors

In figure circuit of two resistors and two capacitors is shown.

Choices

Choice (4) Response

a.

The current in the ammeter becomes zero after a long time

AND

The voltage displays as soon as the key is pressed, and displays after a long time.

b.

The voltmeter will display at time

c.

The current in the ammeter becomes of the initial value after

d.

All a. , b. and c. are correct

Question number: 2

» Current Electricity » Electric Current

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Appeared in Year: 2010

MCQ▾

Question

In the circuit shown below, the key is closed at . The current through the battery is:

Circuit diagram consist of resistors and inductor

Circuit Diagram Consist of Resistors and Inductor

In figure circuit diagram consist of resistors and inductor is shown.

(AIEEE)

Choices

Choice (4) Response

a.

b.

c.

d.

Question number: 3

» Current Electricity » Temperature Dependence of Resistance

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Appeared in Year: 2014

MCQ▾

Question

Heater of an electric kettle is made of a wire of length and diameter . It takes to raise the temperature of water by . This heater is replaced by a new heater having two wires of the same material, each of length and diameter . The way these wires are connected is given in the options. How much time in minutes will it take to raise the temperature of the same amount of water by ?

Choices

Choice (4) Response

a.

if wires are in series

b.

if wires are in parallel

c.

if wires are in parallel

d.

Both a. and b. are correct

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