Current Electricity (BITSAT Physics): Questions 6 - 10 of 13

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Question number: 6

» Current Electricity » Electrical Energy and Power

MCQ▾

Question

Two identical batteries, each of emf 2volt and internal resistance R=0.5Ω by passing a current through it. The maximum power that can be developed across R using these batteries is –

A circuit diagram three resistors and two batteries

A Circuit Diagram Three Resistors and Two Batteries

In circuit diagram three resistors and two batteries are shown.

Choices

Choice (4) Response

a.

4W

b.

3.2W

c.

2W

d.

8.2W

Question number: 7

» Current Electricity » Electric Cell and Its Internal Resistance

MCQ▾

Question

The E. M. F. of the Daniel cell is

Choices

Choice (4) Response

a.

1.10V

b.

2.56V

c.

3.12V

d.

0.56V

Question number: 8

» Current Electricity » Potential Difference and EMF of Cell

MCQ▾

Question

The internal resistance of cell of emf 2V is 0.1Ω it is connected to a resistance of 3.9Ω . The voltage across the cell is

Choices

Choice (4) Response

a.

1.95 V

b.

1.68 V

c.

0.52 V

d.

2.71 V

Question number: 9

» Current Electricity » Potential Difference and EMF of Cell

MCQ▾

Question

If the current through 3Ω resistor is 0.8A , then potential drop through 4Ω resistor is –

Circuit diagram of three resistors

Circuit Diagram of Three Resistors

In figure circuit diagram consists of three resistance is shown.

Choices

Choice (4) Response

a.

2.6 V

b.

4.8 V

c.

1.2 V

d.

9.6 V

Question number: 10

» Current Electricity » Potential Difference and EMF of Cell

MCQ▾

Question

For driving current of 2A for 6 minute in a circle 1000J of work is to be done. The emf of the source in the circuit is

Choices

Choice (4) Response

a.

1.38V

b.

3.10V

c.

2.03V

d.

1.68V

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