# NEET (NTA)-National Eligibility cum Entrance Test (Medical) Physics: Questions 508 - 512 of 2320

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## Question number: 508

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MCQ▾

### Question

The equivalent resistance of the following infinite network of resistance is

### Choices

Choice (4)Response

a.

More than 4 Ω but less than 12 Ω

b.

4 Ω

c.

12 Ω

d.

Less than 4 Ω

## Question number: 509

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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 and C

d.

B 1 and C 1

## 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?

### 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

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