The intensity of radiation of a dipole depends strongly on frequency. If at a frequency f, the intensity of radiation is '$$I$$' then at a frequency of $$\frac{{\text{f}}}{2}$$, the intensity will be:
A. $$\frac{{\text{I}}}{2}$$
B. $$\frac{{\text{I}}}{4}$$
C. $$\frac{{\text{I}}}{8}$$
D. $$\frac{{\text{I}}}{{16}}$$
Answer: Option B
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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