Q.

The radiation pattern of a half-wave dipole has the shape of a              

A. doughnut
B. sphere
C. hemisphere
D. circular
Answer» A. doughnut
Explanation: the radiation pattern of any antenna is the shape of the electromagnetic energy radiated from or received by that antenna. typically that radiation is concentrated in a pattern that has a recognizable geometric shape. the radiation pattern of a half-wave dipole has the shape of a doughnut.
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