Gauss theorem is expressed mathematically as:
A. $$\oint {\overrightarrow D .\overrightarrow {dS} = \frac{q}{{{\varepsilon _0}}}} $$
B. $$\oint {\overrightarrow D .\overrightarrow {dS} = q} $$
C. $$\oint {\overrightarrow E .\overrightarrow {dS} = {\varepsilon _0}q} $$
D. Both A and B
Answer: Option B
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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