Current Electricity-Potential Difference and EMF of Cell [BITSAT (Birla Institute of Technology & Science Admission Test) Physics]: Questions 1 - 6 of 6

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Question 1

Question MCQ▾

The internal resistance of cell of emf is it is connected to a resistance of . The voltage across the cell is

Choices

Choice (4)Response

a.

1.68 V

b.

1.95 V

c.

0.52 V

d.

2.71 V

Edit

Question 2

Question MCQ▾

If the current through resistor is , then potential drop through resistor is –

Circuit Diagram of Three Resistors

Choices

Choice (4)Response

a.

1.2 V

b.

9.6 V

c.

4.8 V

d.

2.6 V

Edit

Question 3

Question MCQ▾

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

Choices

Choice (4)Response

a.

b.

c.

d.

Edit

Question 4

Question MCQ▾

The potential difference between two electrodes of a galvanic cell, in an open circuit, is known as –

Choices

Choice (4)Response

a.

Potential difference

b.

Impedance

c.

Electromotive force

d.

Current

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Question 5

Appeared in Year: 2021

Question MCQ▾

A metal disc of radius is rotated at a constant angular speed of in a plane at right angles to an external field of magnetic induction . The emf induced between the center and a point on the rim will be

Choices

Choice (4)Response

a.

b.

c.

d.

Edit

Question 6

Appeared in Year: 2019

Question MCQ▾

Forward biasing is that in which applied voltage

Choices

Choice (4)Response

a.

Increases Potential Barrier

b.

Cancels the potential barrier

c.

Is equal to volt

d.

All of the above

Edit