# NEET (NTA)-National Eligibility cum Entrance Test (Medical) Physics: Questions 500 - 504 of 2320

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## Question number: 500

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MCQ▾

### Question

The resistance of a 10 meter long potentiometer wire is 1 ohm/meter. A cell of emf 2.2 volts and a high resistance box are connected in series with this wire. The value of resistance taken from resistance box for getting potential gradient of 2.2 millivolt/meter will be

### Choices

Choice (4)Response

a.

810 Ω

b.

790 Ω

c.

1000 Ω

d.

990 Ω

## Question number: 501

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MCQ▾

### Question

Five resistors are connected as shown in the diagram. The equivalent resistance between A and B is

### Choices

Choice (4)Response

a.

12 Ω

b.

6 Ω

c.

15 Ω

d.

9 Ω

## Question number: 502

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MCQ▾

### Question

In the figure,

1. Current may flow from X to Y
2. Current may flow from Y to X
3. Direction of current depends on E
4. Direction of current depends on r

Select the correct answers and mark it according to the following codes:

### Choices

Choice (4)Response

a.

1 and 2

b.

1,2 and 3

c.

2 and 4

d.

1 and 3

## Passage

A 6V battery of negligible internal resistance is connected across a uniform wire AB of length 100cm. The positive terminal of another battery of emf 4V and internal resistance 1Q is joined to the point A as shown in figure. Take the potential at D to be zero.

## Question number: 503 (1 of 2 Based on Passage) Show Passage

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MCQ▾

### Question

What is the potential at points A and C?

### Choices

Choice (4)Response

a.

6V, 2V

b.

8V, 3V

c.

6V, 4V

d.

8V, 4V

## Question number: 504 (2 of 2 Based on Passage) Show Passage

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MCQ▾

### Question

If the points C and D are connected by a wire, what will be the current through it?

### Choices

Choice (4)Response

a.

3A

b.

1A

c.

2A

d.

Zero

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