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Electrical Engineering (EE) Exam  >  Electrical Engineering (EE) Test  >  Topicwise Question Bank for Electrical Engineering  >  Test: Magnetostatics - 1 - Electrical Engineering (EE) MCQ

Magnetostatics - 1 - Free MCQ Practice Test with solutions, GATE EE


MCQ Practice Test & Solutions: Test: Magnetostatics - 1 (10 Questions)

You can prepare effectively for Electrical Engineering (EE) Topicwise Question Bank for Electrical Engineering with this dedicated MCQ Practice Test (available with solutions) on the important topic of "Test: Magnetostatics - 1". These 10 questions have been designed by the experts with the latest curriculum of Electrical Engineering (EE) 2026, to help you master the concept.

Test Highlights:

  • - Format: Multiple Choice Questions (MCQ)
  • - Duration: 30 minutes
  • - Number of Questions: 10

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Test: Magnetostatics - 1 - Question 1
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The magnitude of H at a radius of 1 meter from along linear conductor is 1 A/m. The current in the wire is

Detailed Solution: Question 1


Given, r = 1 m, H = 1 A/m
Using Ampere’s circuit law, we have:

Test: Magnetostatics - 1 - Question 2
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What is the value of magnetic flux density at the centre of the square current loop shown in figure below?

Detailed Solution: Question 2

The magnetic flux density at the centre of the square having each side a is given by

Given, a = 2 m, I = 5 Amp 

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Test: Magnetostatics - 1 - Question 3
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A solenoid of 20 cm long and 1 cm diameter has a uniform winding of 1000 turns. If the solenoid is placed in a uniform field of 2 Wb/m2 flux density and a current of 10 amps, is passed through the solenoid winding, then the maximum torque on the solenoid will be

Detailed Solution: Question 3

Given, l = 20 cm = 0.2 m,
r - 0.5 cm = radius = 0.005 m
N = 1000,
B = 2 Wb/m2,
I = 10 A
The torque acting on the solenoid is
T = NIAB sinθ
T will be maximum when
θ = 90°, i.e. sin90° = 1
∴ Tmax = 1000 x 10 (0.005 x 0.2) x 2
= 20 N-m

Test: Magnetostatics - 1 - Question 4
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What is the value of magnetic flux density at the centre of a current carrying loop when the loop radius is 2 cm, loop current is 1 mA and the loop is placed in air?

Detailed Solution: Question 4

Magnetic flux density at the centre of a current carrying loop is given by

Test: Magnetostatics - 1 - Question 5
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A magnetic field known to be directed in a cartesian co-ordinate system so that exists in the x-direction where Hx = Constant. The value of curl 

Detailed Solution: Question 5

Curl  cartesian coordinate is given by


Since Hx = constant and Hy = Hz = 0, therefore


= 0 + 0 + 0 

Test: Magnetostatics - 1 - Question 6
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Match List-I with List-ll and select the correct answer using the codes given below the lists:
List-I
A. Faraday’s induction law
B. Maxwell equation in point form
C. Electric field strength general equation

Test: Magnetostatics - 1 - Question 7
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The force acting between two parallel wires carrying currents I1 and I2 and separated by a distance r is given by

Test: Magnetostatics - 1 - Question 8
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Flux lines are received at an iron-air boundary at an angle of 45° from the normal on the iron side of the boundary. If the iron has a relative permeability of 350, then the angle from the normal with which the flux emerges into the air would be

Detailed Solution: Question 8


Let medium-1 and medium-2 are respectively iron and air, then

or  
or  

Test: Magnetostatics - 1 - Question 9
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The unit of magnetic flux is given by

Test: Magnetostatics - 1 - Question 10
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Assertion (A): The potential in case of magnetic field is a vector potential.
Reason (R): The potential in case of electric field is a scalar potential

Detailed Solution: Question 10

  • Both assertion and reason are correct statements.
  • The potential in case of magnetic field is a vector potential because source for producing a magnetic field is a current element which has both magnitude and direction.
  • The potential in case of electric field i.e. electric potential is a scalar potential because the source for producing an electric field is a charge which is a scaler quantity (having only magnitude).

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About this Electrical Engineering (EE) Practice Test

This test contains 10 MCQs on Magnetostatics - 1 with detailed solutions for each question. It is part of the Topicwise Question Bank for Electrical Engineering course on EduRev, designed to align with the current Electrical Engineering (EE) syllabus. Each solution explains not just the correct answer but also gives you an understanding of the topic — not just to attempt the question but also help you prepare for the exam with practice.

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