# Current Electricity-Wheatstone Bridge (NEET (NTA)-National Eligibility cum Entrance Test (Medical) Physics): Questions 1 - 4 of 7

Access detailed explanations (illustrated with images and videos) to 2320 questions. Access all new questions we will add tracking exam-pattern and syllabus changes. Unlimited Access for Unlimited Time!

View Sample Explanation or View Features.

Rs. 600.00 or

How to register?

## Question number: 1

» Current Electricity » Wheatstone Bridge

Edit
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.

2 and 4

b.

1 and 3

c.

1 and 2

d.

1,2 and 3

## Question number: 2

» Current Electricity » Wheatstone Bridge

Edit
MCQ▾

### Question

In the adjoining network of resistors, each is of resistance r ohm, the equivalent resistance between points A and B is-

### Choices

Choice (4)Response

a.

b.

r

c.

5r

d.

## Question number: 3

» Current Electricity » Wheatstone Bridge

Edit
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: 4

» Current Electricity » Wheatstone Bridge

Edit
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.

1,2 and 3

c.

1 and 2

d.

2 and 4

Developed by: