# Electromagnetic Theory-Magnetostatics (CSIR (Council of Scientific & Industrial Research) Physical Sciences): Questions 1 - 4 of 4

Get 1 year subscription: Access detailed explanations (illustrated with images and videos) to 463 questions. Access all new questions we will add tracking exam-pattern and syllabus changes. View Sample Explanation or View Features.

Rs. 300.00 or

## Question number: 1

» Electromagnetic Theory » Magnetostatics » Ampere's Theorem

Appeared in Year: 2013

MCQ▾

### Question

The force between two long and parallel wires carrying I1 and I2 and separated by distance D is proportional to – (December)

### Choices

Choice (4) Response

a.

b.

c.

d.

## Question number: 2

» Electromagnetic Theory » Magnetostatics » Ampere's Theorem

Appeared in Year: 2012

MCQ▾

### Question

The magnetic field at a distance R from a long straight wire carrying a steady current I is proportional to – (June)

### Choices

Choice (4) Response

a.

b.

c.

d.

## Question number: 3

» Electromagnetic Theory » Magnetostatics » Ampere's Theorem

Appeared in Year: 2013

MCQ▾

### Question

A horizontal metal disc rotates about the vertical axis in a uniform magnetic field pointing up as shown in the figure. A circuit is made by connecting one end A of a resistor to the centre of the disc and the other end B to its edge through a sliding contact S. The current that flows through the resistor is – (December)

### Choices

Choice (4) Response

a.

DC from A to B

b.

Zero

c.

DC from B to A

d.

AC

## Question number: 4

» Electromagnetic Theory » Magnetostatics » Ampere's Theorem

Appeared in Year: 2017

MCQ▾

### Question

A set of concentric circular loops of wire, each carrying a steady current in the same direction, is arranged in a plane. The radius of the first loop is and the radius of the loop is given by . The magnitude of the magnetic field at the centre of the circles in the limit , is: (June)

### Choices

Choice (4) Response

a.

b.

c.

d.

f Page