A. Electric field is zero
B. Electric field is non zero constant
C. Electric field changes with the magnitude of the charge given to the conductor
D. Electric field changes with distance from the center of the sphere
Answer: Option A
This Question Belongs to Electronics And Communications Engineering >> Electromagnetic Field Theory
A loop antenna is a commonly used for
A. Radar
B. Direction finding
C. Satellite communication
D. All of the above
The divergence of a vector is a scalar, while the curl of a vector is another
A. Scalar
B. Vector
C. Unit vector
D. None of the above
Which antenna is a wideband antenna?
A. Hertz antenna
B. Marconi antenna
C. Folded dipole
D. None of the above
A. Accelerating
B. Retardation
C. Oscillating
D. Lagging the current
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