If the potential, V = 4x + 2 volts, the electric field is:
A. 6 V/m
B. 2 V/m
C. 4 V/m
D. $$ - 4{\overline a _x}{\text{V/m}}$$
Answer: Option D
Related Questions on 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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