# NEET Physics: Questions 473 - 476 of 2098

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## Passage

A battery is connected to a potentiometer obtained at 84 cm along the wire. When a resistance of 5Ω is connected as a shunt with the cell, the balance point is obtained at 70 cm.

## Question number: 473 (3 of 3 Based on Passage) Show Passage

MCQ▾

### Question

Calculate the internal resistance of the cell.

### Choices

Choice (4) Response

a.

4 Ω

b.

5 Ω

c.

2 Ω

d.

1 Ω

## Question number: 474

MCQ▾

### Question

Figure shows a balanced Wheatstone’s bridge. Which of the following sentences are correct for this figure?

(1) If P is slightly increased, the current in the galvanometer flows from A to C.

(2) If P is slightly increased, the current in the galvanometer flows from C to A.

(3) If Q is slightly increased, the current in the galvanometer flows from C to A.

(4) If Q is slightly increased, the current in the galvanometer flows from A to C.

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

### Choices

Choice (4) Response

a.

1 and 3

b.

1 and 2

c.

1, 2 and 3

d.

2 and 4

## Question number: 475

MCQ▾

### Question

Two resistances are connected in two gaps of a meter bridge. The balance point is 20 cm from the zero ends. A resistance of 15 ohms is connected in series with the smaller of the two. The null point shifts to 40 cm. The value of the smaller resistance in ohm is

### Choices

Choice (4) Response

a.

3

b.

12

c.

6

d.

9

## Question number: 476

MCQ▾

### Question

The resultant resistance between the points A and B in the following figure will be –

### Choices

Choice (4) Response

a.

8 Ω

b.

2 Ω

c.

4 Ω

d.

6 Ω