The work done of vectors force F and distance d, separated by angle Î¸ can be calculated using,

Electronics and Communication Engineering (ECE) : Electromagnetic Field Theory - Quiz(MCQ)

Dot product

Cross product

Addition of two vectors

Cannot be calculated

Correct Answer : Option (A) : Dot product

Explanation : Force is a vector quantity, whereas distance is scalar. Work is defined as the product of force and distance, which is given by dot product.

Recently Updated in Electromagnetic Field Theory Questions

Radiation intensity in a given direction is the

Energy radiated per square metre

Power radiated per square metre

Power radiated per unit solid angle in that direction

None of the above

Correct Answer : Power radiated per unit solid angle in that direction

Which of the following impedance inversion is obtained?

Balun transformer

A quarter wave line

Short-circuited stub

A half wave line

Correct Answer : A quarter wave line

The wave in wave guide has

Larger frequency than in the free space

Diminishing wavelength than in the free space

Group velocity inversely proportional to wavelength

Larger wavelength than in the free space

Correct Answer : Larger wavelength than in the free space

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