# NEET (NTA)-National Eligibility cum Entrance Test (Medical) Physics: Questions 522 - 527 of 2320

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## Question number: 522

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MCQ▾

### Question

Twelve wires of equal length and same cross-section are connected in the form of a cube. If the resistance of each of the wires is R, then the effective resistance between the two diagonal ends would be

### Choices

Choice (4)Response

a.

R

b.

8 R

c.

2 R

d.

12 R

## Question number: 523

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MCQ▾

### Question

A Potentiometer wire of length 1 m is connected in series with 490 Ω resistance and 2V battery. If 0.2mV/cm is the potential gradient, then resistance of the potentiometer wire is

### Choices

Choice (4)Response

a.

5.9 Ω

b.

7.9 Ω

c.

6.9 Ω

d.

4.9 Ω

## Question number: 524

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MCQ▾

### Question

The current in the given circuit will be

### Choices

Choice (4)Response

a.

b.

c.

d.

## Question number: 525

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MCQ▾

### Question

A cylindrical wire is stretched to increase its length by 10%. The percentage increase in the resistance of the wire will be

### Choices

Choice (4)Response

a.

20%

b.

21%

c.

24%

d.

22%

## Question number: 526

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MCQ▾

### Question

The figure shows a network of currents. The magnitude of currents is shown here. The current/will be

### Choices

Choice (4)Response

a.

3 A

b.

9 A

c.

13 A

d.

19 A

## Question number: 527

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MCQ▾

### Question

Consider the circuit as shown in the figure. The value of current I, is

### Choices

Choice (4)Response

a.

b.

5 A

c.

-3 A

d.

3 A

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