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

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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.

Equation

b.

Equation

c.

Equation

d.

Equation

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.

Equation

b.

Equation

c.

Equation

d.

Equation

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)

A rotating horizontal metal disc

A Rotating Horizontal Metal Disc

In figure a horizontal metal disc rotates about the vertical axis in a uniform magnetic field pointing up is shown. 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.

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

Choices

Choice (4) Response

a.

Equation

b.

Equation

c.

Equation

d.

Equation

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