# NEET (NTA)-National Eligibility cum Entrance Test (Medical) Physics: Questions 806 - 810 of 2320

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## Question number: 806

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MCQ▾

### Question

An alternating current is given by the equation . The r. m. s. current is given by

### Choices

Choice (4)Response

a.

b.

c.

d.

## Question number: 807

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MCQ▾

### Question

A current increases uniformly from zero to one ampere in 0.01 second, in a coil of inductance 10 mH. The induced e. m. f. will be –

### Choices

Choice (4)Response

a.

1 V

b.

4V

c.

3 V

d.

2 V

## Question number: 808

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MCQ▾

### Question

An alternating voltage is connected in series with a resistance R and an inductance L. If the potential drop across the resistance is 200 V and across the inductance is 150 V, then the applied voltage is

### Choices

Choice (4)Response

a.

350 V

b.

300 V

c.

500 V

d.

250 V

## Question number: 809

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MCQ▾

### Question

A cricket bat is cut at the location of its center of mass as shown in the fig. Then

### Choices

Choice (4)Response

a.

The handle piece will have larger mass

b.

The bottom piece will have larger mass

c.

Mass of handle piece is double the mass of bottom piece

d.

The two pieces will have the same mass

## Question number: 810

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MCQ▾

### Question

Two particles of masses m l and m 2 initially at rest start moving towards each other under their mutual force m attraction. The speed of the center of mass at any time u when they are at a distance r apart, is

### Choices

Choice (4)Response

a.

zero

b.

c.

d.

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