# NEET (NTA)-National Eligibility cum Entrance Test (Medical) Physics: Questions 510 - 513 of 2184

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## Question number: 510

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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.

50 cm

b.

25 cm

c.

66.67 cm

d.

33.3 cm

## Question number: 511

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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? Circuit Diagram of Potentiometer with Balance Point M Here figure shows the circuit diagram of potentiometer with balance point M. battery of 5V connected with resistor R and a key.

### Choices

Choice (4) Response

a.

4 m

b.

8 m

c.

0.4 m

d.

0.8 m

## Question number: 512

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MCQ▾

### Question

How can we convert the galvanometer of and current into Ammeter with maximum range of 6A.

### Choices

Choice (4) Response

a.

By adding a resistance 6mΩ . in parallel with the galvanometer

b.

By adding a resistance 2.5mΩ in series with the galvanometer

c.

By adding a resistance 2.5mΩ in parallel with the galvanometer

d.

By adding a resistance 6mΩ in series with the galvanometer

## Question number: 513

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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.

4: 1

b.

1: 2

c.

2: 1

d.

1: 4