# Current Electricity-Resistances of Different Materials (NEET Physics): Questions 1 - 5 of 6

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## Question number: 1

» Current Electricity » Resistances of Different Materials

MCQ▾

### Question

Two wires of same material have length L and 2L and cross-sectional areas 4A and A respectively. The ratio of their specific resistance would be

### Choices

Choice (4) Response

a.

1: 2

b.

1: 8

c.

1: 1

d.

8: 1

## Question number: 2

» Current Electricity » Resistances of Different Materials

MCQ▾

### Question

The reading of voltmeter in the following circuit will be-

### Choices

Choice (4) Response

a.

0.80 volt

b.

2 volt

c.

1.60 volt

d.

1.33 volt

## Question number: 3

» Current Electricity » Resistances of Different Materials

MCQ▾

### Question

A voltmeter can measure up to 25 volt and its resistance is 1000 Ω . The resistance required to add with voltmeter to measure up to 250 volt will be

### Choices

Choice (4) Response

a.

900 Ω

b.

2500 Ω

c.

1000 Ω

d.

9000 Ω

## Question number: 4

» Current Electricity » Resistances of Different Materials

MCQ▾

### Question

The shunt required for 10 % of main current to be sent through the moving coil galvanometer of resistance 99 Ω will be

### Choices

Choice (4) Response

a.

90 Ω

b.

0.9 Ω

c.

9.9 Ω

d.

11 Ω

## Question number: 5

» Current Electricity » Resistances of Different Materials

MCQ▾

### Question

A heater coil connected to a supply of a 220 F is dissipating some power P 1. The coil is cut into half and the two halves are connected in parallel. The heater now dissipates a power P 2. The ratio of power P 1: P 2 is

### Choices

Choice (4) Response

a.

1: 4

b.

1: 2

c.

2: 1

d.

4: 1

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