Explore topic-wise MCQs in Electromagnetic Theory.

This section includes 10 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.

THE_SNELL_LAW_IS_APPLICABLE_FOR_PERPENDICULAR_POLARISATION_AND_THE_BREWSTER_LAW_IS_APPLICABLE_FOR_PARALLEL_POLARISATION._STATE_TRUE/FALSE.?$

A. True
B. False
Answer» B. False
2.

IDENTIFY_THE_POLARISATION_OF_THE_WAVE_GIVEN_THAT,_EX_=_2_COS_WT_AND_EY_=_COS_WT.?$

A. Elliptical
B. Circular
C. Parallel
D. Linear
Answer» E.
3.

Identify the polarisation of the wave given that, Ex = 2 sin wt and Ey = 3 sin wt.$

A. Linear
B. Elliptical
C. Circular
D. Parallel
Answer» B. Elliptical
4.

When the polarisation of the receiving antenna is unknown, to ensure that it receives atleast half the power, the transmitted wave should be$

A. Linearly polarised
B. Elliptically polarised
C. Circularly polarised
D. Normally polarised
Answer» D. Normally polarised
5.

For a non-zero Ex component and zero Ey component, the polarisation i?

A. Parallel
B. Perpendicular
C. Elliptical
D. Circular
Answer» B. Perpendicular
6.

Identify the polarisation of the wave given, Ex = cos wt and Ey = sin wt. The phase difference is -900.

A. Left hand circularly polarised
B. Right hand circularly polarised
C. Left hand elliptically polarised
D. Right hand elliptically polarised
Answer» C. Left hand elliptically polarised
7.

Identify the polarisation of the wave given, Ex = Exo cos wt and Ey = Eyo sin wt. The phase difference is +900.

A. Left hand circularly polarised
B. Right hand circularly polarised
C. Left hand elliptically polarised
D. Right hand elliptically polarised
Answer» D. Right hand elliptically polarised
8.

When the Ex and Ey components of a wave are not same, the polarisation will be

A. Linear
B. Elliptical
C. Circular
D. Parallel
Answer» C. Circular
9.

The magnitude of the Ex and Ey components are same in which type of polarisation?

A. Linear
B. Circular
C. Elliptical
D. Perpendicular
Answer» C. Elliptical
10.

When the phase angle between the Ex and Ey component is 00 or 1800, the polarisation is

A. Elliptical
B. Circular
C. Linear
D. Perpendicular
Answer» D. Perpendicular