EIRP MCQs | Electronics & Telecommunication 2026

Question 1

Antenna & Wave PropagationEIRP

Effective isotropic radiated power (EIRP) is the product of transmitter power delivered to the antenna and?

AAntenna gain relative to isotropic, including applicable feed losses when forming the link budget
BAntenna resistance only
COperating wavelength only
DReceiver sensitivity

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Correct Answer: A. Antenna gain relative to isotropic, including applicable feed losses when forming the link budget

Explanation: EIRP represents the equivalent power an isotropic radiator would need to produce the same power density in the direction of maximum antenna gain.

Reference: Standard antenna and wave propagation: eirp

Question 2

Antenna & Wave PropagationEIRP

A transmitting antenna has 6 dBi gain and is fed with 10 W. Ignoring feeder loss, its EIRP is approximately?

A10 W
B20 W
C40 W
D60 W

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Correct Answer: C. 40 W

Explanation: 6 dBi corresponds to a power gain of about 4, so EIRP≈10×4=40 W.

Reference: Standard antenna and wave propagation: eirp