# NEET (NTA)-National Eligibility cum Entrance Test (Medical) Physics: Questions 523 - 527 of 2184

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## 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 Circuit Diagram with Equal 30Ω Resistance Here three equal resistor of 30 Ω connected with 2 V battery as shown in figure.

### 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 Network of Abcd of a Circuit Network abcd shown in figure. Directions of currents are also shown of each branch. Current I is unknown.

### 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 Circuit Diagram Consist of Three Battery and Two Resistor here three battery of 6V, 8V and 12V and two resistors are connected as shown figure.

### Choices

Choice (4) Response

a.

b.

5 A

c.

-3 A

d.

3 A