# Current Electricity (NEET (NTA)-National Eligibility cum Entrance Test (Medical) Physics): Questions 44 - 47 of 77

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## Question number: 44

» Current Electricity » Electrical Resistance

MCQ▾

### Question

In the fig below the bulbs are identical, The bulbs, light most brightly are

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

1. A

2. B

3. F

4. D

5. C

### Choices

Choice (4) Response

a.

1 and 2 are correct

b.

1,2 and 3 are correct

c.

2 and 4 are correct

d.

1 and 3 are correct

## Question number: 45

» Current Electricity » Potentiometer

MCQ▾

### Question

The resistance of a 10 meter long potentiometer wire is 1 ohm/meter. A cell of emf 2.2 volts and a high resistance box are connected in series with this wire. The value of resistance taken from resistance box for getting potential gradient of 2.2 millivolt/meter will be

### Choices

Choice (4) Response

a.

790 Ω

b.

990 Ω

c.

810 Ω

d.

1000 Ω

## Question number: 46

» Current Electricity » Wheatstone Bridge

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.

9 Ω

c.

6 Ω

d.

15 Ω

## Question number: 47

» Current Electricity » Potential Difference and EMF of Cell

MCQ▾

### Question

In the figure,

1. Current may flow from X to Y
2. Current may flow from Y to X
3. Direction of current depends on E
4. Direction of current depends on r

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

### Choices

Choice (4) Response

a.

1,2 and 3

b.

2 and 4

c.

1 and 2

d.

1 and 3

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