# Magnetic Effects of Current and Magnetism-Current Loop as Magnetic Dipole (NEET (NTA)-National Eligibility cum Entrance Test (Medical) Physics): Questions 14 - 17 of 26

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## Question number: 14

» Magnetic Effects of Current and Magnetism » Current Loop as Magnetic Dipole

MCQ▾

### Question

The () graph for a current carrying coil placed in a uniform magnetic field is

### Choices

Choice (4) Response

a.

b.

c.

d.

## Question number: 15

» Magnetic Effects of Current and Magnetism » Current Loop as Magnetic Dipole

MCQ▾

### Question

A circular current carrying coil has a radius R. The distance from the center of the coil on the axis where the magnetic, induction will be to its value at the center of the coil, is

### Choices

Choice (4) Response

a.

5×10 -3 tesla

b.

5×10 -4 tesla

c.

2×10 -3 tesla

d.

5×10 -2 tesla

## Question number: 16

» Magnetic Effects of Current and Magnetism » Current Loop as Magnetic Dipole

Assertion-Reason▾

### Assertion (Ꭺ)

A rectangular coil is suspended freely in non-uniform magnetic field. There is force acting on the coil when a steady current flow through it.

### Reason (Ꭱ)

Force acting on each opposite pair of the rectangular coil are equal and opposite.

### Choices

Choice (4) Response

a.

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

b.

Ꭺ is true but Ꭱ is false

c.

Both Ꭺ and Ꭱ are false

d.

Ꭺ is false but Ꭱ is true

## Question number: 17

» Magnetic Effects of Current and Magnetism » Current Loop as Magnetic Dipole

Assertion-Reason▾

### Assertion (Ꭺ)

The magnetic field at the center of the square loop is zero, when the current flow through the loop from a battery connected at the diagonal corner.

### Reason (Ꭱ)

Magnetic lines due to a current in a magnetic conductor are circular.

### Choices

Choice (4) Response

a.

Both Ꭺ and Ꭱ are true but Ꭱ is NOT the correct explanation of Ꭺ

b.

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

c.

Ꭺ is true but Ꭱ is false

d.

Both Ꭺ and Ꭱ are false

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