Explore topic-wise MCQs in Electromagnetic Theory.

This section includes 4 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 flux density B when E is given by 3sin y i + 4cos z j + ex k.

A. t (4sin z i ex j 3cos y k)dt
B. t- (4sin z i ex j 3cos y k)dt
C. t (4sin y i ex j + 3cos y k)dt
D. t- (4sin y i + ex j + 3cos y k)dt
Answer» C. t (4sin y i ex j + 3cos y k)dt
Discussion
2.

Find the magnetic flux density when a flux of 28 units is enclosed in an area of 15cm.

A. t178.33
B. t186.67
C. t192.67
D. t124.33
Answer» C. t192.67
Discussion
3.

If H.dL = 0, then which statement will be true?

A. tE = -Grad(V)
B. tB = -Grad(D)
C. tH = -Grad(Vm)
D. tD = -Grad(A)
Answer» D. tD = -Grad(A)
Discussion
4.

Find the current when the magnetic field intensity is given by 2L and L varies as 0->1.

A. t2
B. t1
C. t0.5
D. t0
Answer» C. t0.5
Discussion