# Current Electricity (NEET Physics): Questions 60 - 63 of 77

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## Question number: 60

» Current Electricity » Wheatstone Bridge

MCQ▾

### Question

In the figure, the equivalent resistance between A and B is-

### Choices

Choice (4) Response

a.

3R

b.

c.

d.

R

## Question number: 61

» Current Electricity » Potentiometer

MCQ▾

### Question

A potentiometer has uniform potential gradient. The specific resistance of the material of the potentiometer wire is 10 -7 ohm-meter and the current passing through it is 0.1 ampere; cross-section of the wire is 10 -6 m 2. The potential gradient along the potentiometer wire is

### Choices

Choice (4) Response

a.

10 -8 V/m

b.

10 -2 V/m

c.

10 -4 V/m

d.

10 -6 V/m

## Question number: 62

» Current Electricity » Potentiometer

MCQ▾

### Question

The arrangement as shown in figure is called as

### Choices

Choice (4) Response

a.

Potential subtracted

b.

c.

Potential multiplier

d.

Potential divider

## Question number: 63

» Current Electricity » Electrical Resistance

MCQ▾

### Question

How will reading in the ammeter Switch. A be affected if another identical bulb Q is connected in parallel to P as shown in the figure? The voltage in the mains is maintained at constant value

### Choices

Choice (4) Response

a.

The reading will increase four fold.

b.

The reading will be double of previous one.

c.

The reading will not be affected.

d.

The reading will be reduced to one half.

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