Current Electricity-Wheatstone Bridge (NEET (National Eligibility cum Medical Entrance Test) Physics): Questions 1 - 3 of 7

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: 1

» Current Electricity » Wheatstone Bridge

MCQ▾

Question

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

Wheatstone bridge Circuit diagram

Wheatstone Bridge Circuit Diagram

Figure shows the balanced Wheatstone bridge. P, Q, R and S are resistors of this bridge.

(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: 2

» Current Electricity » Wheatstone Bridge

MCQ▾

Question

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

Circuit Diagram with five equal resistors

Circuit Diagram With Five Equal Resistors

Figure shows the adjoining network of resistor r ohm.

Choices

Choice (4) Response

a.

r

b.

Equation

c.

Equation

d.

5r

Question number: 3

» Current Electricity » Wheatstone Bridge

MCQ▾

Question

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

Bridge circuit diagram

Bridge Circuit Diagram

A and B five resistors make a balance bridge circuit. Because of balance bridge there will be no current passing through CD arm.

Choices

Choice (4) Response

a.

12 Ω

b.

9 Ω

c.

6 Ω

d.

15 Ω

f Page
Sign In