# NEET (NTA)-National Eligibility cum Entrance Test (Medical) Physics: Questions 540 - 544 of 2320

Access detailed explanations (illustrated with images and videos) to 2320 questions. Access all new questions we will add tracking exam-pattern and syllabus changes. Unlimited Access for Unlimited Time! View Sample Explanation or View Features.

Rs. 600.00 or

How to register?

## Question number: 540

Edit
MCQ▾

### Question

Diamagnetic substances are

### Choices

Choice (4)Response

a.

Strongly repelled by magnets

b.

Feebly repelled by magnets

c.

Feebly attracted by magnets

d.

Strongly attracted by magnets

## Question number: 541

Edit
MCQ▾

### Question

A 30 cm long bar magnet is placed in the magnetic meridian with its north pole pointing south. The neutral point is obtained at a distance of 40 cm from the center of the magnet. Pole strength of the magnet is (The. horizontal component of earth’s magnetic field is 0.34 Gauss)

### Choices

Choice (4)Response

a.

15.2 Am

b.

26.7 Am

c.

16.7 Am

d.

12.7 Am

## Question number: 542

Edit
MCQ▾

### Question

At magnetic equator of earth, angle of dip is

### Choices

Choice (4)Response

a.

45°

b.

Zero

c.

90°

d.

180°

## Question number: 543

Edit
MCQ▾

### Question

For the arrangement of two current carrying identical coils shown in the figure, the magnetic field at the center O is (N and a represent number of turns and radius of each coil) -

### Choices

Choice (4)Response

a.

b.

c.

d.

## Question number: 544

Edit
MCQ▾

### Question

A square loop of side a is rotating about its diagonal with angular velocity ω in a perpendicular magnetic field as shown in the figure. If the number of turns in it is 10 then the magnetic flux linked with the loop at any instant will be-

### Choices

Choice (4)Response

a.

20Ba 2

b.

10Ba 2 cos (ωt)

c.

10Ba

d.

10Ba 2

Developed by: