# Current Electricity (NEET Physics): Questions 52 - 55 of 77

Get 1 year subscription: Access detailed explanations (illustrated with images and videos) to 2142 questions. Access all new questions we will add tracking exam-pattern and syllabus changes. View Sample Explanation or View Features.

Rs. 550.00 or

## Question number: 52

» Current Electricity » Wheatstone Bridge

MCQ▾

### Question

Which is correct statements?

(1) The Wheatstone bridge is most sensitive when all the four resistances are of the same order

(2) Kirchhoff’s first law (for currents meeting at a junction in an electric circuit) expresses the conservation of charge.

(3) The rheostat can be used as a potential divider.

(4) In a balanced Wheatstone bridge, interchanging the positions of galvanometer and cell affects the balance of the bridge.

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.

2 and 4

d.

1, 2 and 3

## Question number: 53

» Current Electricity » Electrical Resistance

MCQ▾

### Question

The equivalent resistance of the following infinite network of resistance is

### Choices

Choice (4) Response

a.

12 Ω

b.

Less than 4 Ω

c.

More than 4 Ω but less than 12 Ω

d.

4 Ω

## Question number: 54

» Current Electricity » Wheatstone Bridge

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 1 and C 1

d.

B and C

## Question number: 55

» Current Electricity » Metre Bridge

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.

33.3 cm

b.

50 cm

c.

66.67 cm

d.

25 cm

f Page