Explore topic-wise MCQs in Electromagnetic Theory.

This section includes 14 Mcqs, each offering curated multiple-choice questions to sharpen your Electromagnetic Theory knowledge and support exam preparation. Choose a topic below to get started.

1.

Find the magnetic field when a circular conductor of very high radius is subjected to a current of 12A and the point P is at the centre of the conductor.

A. 1
B.
C. 0
D. -∞
Answer» D. -∞
2.

The magnetic field intensity will be zero inside a conductor. State true/false.

A. True
B. False
Answer» C.
3.

In a static magnetic field only magnetic dipoles exist. State True/False.

A. True
B. False
Answer» B. False
4.

Find the magnetic field of a finite current element with 2A current and height 1/2π is

A. 1
B. 2
C. 1/2
D. 1/4
Answer» B. 2
5.

THE_MAGNETIC_FIELD_INTENSITY_WILL_BE_ZERO_INSIDE_A_CONDUCTOR._STATE_TRUE/FALSE.?$

A. True
B. False
Answer» C.
6.

Find_the_magnetic_field_when_a_circular_conductor_of_very_high_radius_is_subjected_to_a_current_of_12A_and_the_point_P_is_at_the_centre_of_the_conductor.$

A. 1
B. ‚àû
C. 0
D. -‚àû
Answer» D. -‚Äö√Ñ√∂‚àö‚Ć‚àö¬™
7.

In a static magnetic field only magnetic dipoles exist. State True/False?

A. True
B. False
Answer» B. False
8.

Find the magnetic flux density when a point from a finite current length element of current 0.5A and radius 100nm.

A. 0
B. 0.5
C. 1
D. 2
Answer» D. 2
9.

Find the magnetic field intensity at the centre O of a square of the sides equal to 5m and carrying 10A of current.

A. 1.2
B. 1
C. 1.6
D. 1.8
Answer» E.
10.

The current element of the solenoid of turns 100, length 2m and current 0.5A is given by,

A. 100 dx
B. 200 dx
C. 25 dx
D. 50 dx
Answer» D. 50 dx
11.

Calculate the magnetic field at a point on the centre of the circular conductor of radius 2m with current 8A.

A. 1
B. 2
C. 3
D. 4
Answer» C. 3
12.

Find the magnetic field of a finite current element with 2A current and height 1/2π is$

A. 1
B. 2
C. 1/2
D. 1/4
Answer» B. 2
13.

Which of the following cannot be computed using the Biot Savart law?

A. Magnetic field intensity
B. Magnetic flux density
C. Electric field intensity
D. Permeability
Answer» D. Permeability
14.

Biot Savart law in magnetic field is analogous to which law in electric field?

A. Gauss law
B. Faraday law
C. Coulomb’s law
D. Ampere law
Answer» D. Ampere law