# Current Electricity (NEET (NTA)-National Eligibility cum Entrance Test (Medical) Physics): Questions 53 - 56 of 77

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## Question number: 53

» Current Electricity » Electrical Resistance

MCQ▾

### Question

The equivalent resistance of the following infinite network of resistance is

### Choices

Choice (4) Response

a.

12 Ω

b.

Less than 4 Ω

c.

More than 4 Ω but less than 12 Ω

d.

4 Ω

## Question number: 54

» Current Electricity » Wheatstone Bridge

MCQ▾

### Question

For the post office box arrangement to determine the value of unknown resistance the unknown resistance should be connected between

### Choices

Choice (4) Response

a.

A and D

b.

C and D

c.

B 1 and C 1

d.

B and C

## Question number: 55

» Current Electricity » Metre Bridge

MCQ▾

### Question

Resistance in the two gaps of a meter bridge are 10 ohm and 30 ohm respectively. If the resistances are interchanged the balance point shifts by

### Choices

Choice (4) Response

a.

33.3 cm

b.

50 cm

c.

66.67 cm

d.

25 cm

## Question number: 56

» Current Electricity » Potentiometer

MCQ▾

### Question

In given figure, the potentiometer wire AB has a resistance of 5 Ω and length 10 m. What is the balancing length AM for the emf of 0.4 V?

### Choices

Choice (4) Response

a.

4 m

b.

0.4 m

c.

8 m

d.

0.8 m

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