# NEET (NTA)-National Eligibility cum Entrance Test (Medical) Physics: Questions 802 - 805 of 2320

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## Question number: 802

Edit
MCQ▾

### Question

The work done in pulling a body of mass 3 kg along an inclined plane (angle 50°) with coefficient of friction 0.2 through 2 m, will be -

### Choices

Choice (4)Response

a.

98.08 J

b.

52.56 J

c.

91.08 J

d.

94.08 J

## Question number: 803

Edit
Assertion-Reason▾

### Assertion (Ꭺ)

The induced e. m. f. and current will be same in two identical loops of copper and aluminum, when rotated with same speed in the same magnetic field.

### Reason (Ꭱ)

Induced e. m. f. is proportional to rate of change of magnetic field while induced current depends on resistance of wire.

### Choices

Choice (4)Response

a.

Ꭺ is true but Ꭱ is false

b.

Both Ꭺ and Ꭱ are false

c.

Ꭺ is false but Ꭱ is true

d.

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

## Question number: 804

Edit
MCQ▾

### Question

A current of 5A is flowing at 220 V in the primary coil of a transformer. If the voltage produced in the secondary coil is 2200V and 50 % of power is lost, then the current in the secondary coil will be -

### Choices

Choice (4)Response

a.

5A

b.

0.025A

c.

2.5A

d.

0.25A

## Question number: 805

Edit
MCQ▾

### Question

What is the tension in a rod of length L and mass M at a distance y from F, when the rod is acted on by two unequal forces F1 and F2 (

### Choices

Choice (4)Response

a.

b.

c.

d.

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