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

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## Question number: 1

» Current Electricity » Metre Bridge

Edit
Assertion-Reason▾

### Assertion (Ꭺ)

In meter bridge experiment, a high resistance is always connected in series with a galvanometer.

### Reason (Ꭱ)

As resistance increases current through the circuit increases.

### Choices

Choice (4)Response

a.

Ꭺ is false but Ꭱ is true

b.

Both Ꭺ and Ꭱ are true and Ꭱ is the correct explanation of Ꭺ

c.

Ꭺ is true but Ꭱ is false

d.

Both Ꭺ and Ꭱ are false

## Question number: 2

» Current Electricity » Metre Bridge

Edit
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.

9

d.

6

## Question number: 3

» Current Electricity » Metre Bridge

Edit
MCQ▾

### Question

In Meter Bridge or Wheatstone bridge for measurement of resistance, the known and the unknown resistances are interchanged. The error so removed is

### Choices

Choice (4)Response

a.

Index error

b.

End correction

c.

Random error

d.

Due to temperature effect

## Question number: 4

» Current Electricity » Metre Bridge

Edit
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.

50 cm

b.

25 cm

c.

66.67 cm

d.

33.3 cm

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