Current Electricity-Electric Cell and Its Internal Resistance (AIIMS Physics): Questions 1 - 3 of 3

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Question number: 1

» Current Electricity » Electric Cell and Its Internal Resistance

Appeared in Year: 2004

Assertion-Reason▾

Assertion (Ꭺ)

A larger dry cell has higher emf.

Reason (Ꭱ)

The emf of a dry cell is proportional to its size.

Choices

Choice (4) Response

a.

Both Ꭺ and Ꭱ are true and Ꭱ is the correct explanation of Ꭺ

b.

Both Ꭺ and Ꭱ are false

c.

Ꭺ is false but Ꭱ is true

d.

Ꭺ is true but Ꭱ is false

Question number: 2

» Current Electricity » Electric Cell and Its Internal Resistance

MCQ▾

Question

A cell of emf E is first connected to 10Ω and then connected to resistance 40Ω . If heat produced in both cases is same then, what is internal resistance of cell?

Choices

Choice (4) Response

a.

30Ω

b.

40Ω

c.

5Ω

d.

20Ω

Question number: 3

» Current Electricity » Electric Cell and Its Internal Resistance

MCQ▾

Question

The emf of a primary cell is 5V , when it is shorted then it gives a current of 10A . Calculate internal resistance of primary cell.

Choices

Choice (4) Response

a.

1.5Ω

b.

2Ω

c.

0.5Ω

d.

1Ω

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