# NEET (NTA)-National Eligibility cum Entrance Test (Medical) Physics: Questions 523 - 528 of 2320

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## Question number: 523

Edit
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

Edit
MCQ▾

### Question

The current in the given circuit will be

### Choices

Choice (4)Response

a.

b.

c.

d.

## Question number: 525

Edit
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

Edit
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

Edit
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

## Question number: 528

Edit
Assertion-Reason▾

### Assertion (Ꭺ)

In the circuit shown, , if

### Reason (Ꭱ)

Potential difference across terminals of a non-ideal battery is less than its emf when i current flow through it.

### Choices

Choice (4)Response

a.

Both Ꭺ and Ꭱ are false

b.

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

c.

Ꭺ is false but Ꭱ is true

d.

Ꭺ is true but Ꭱ is false

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