E9B07

What is the difference in radiated power between a lossless antenna with gain and an isotropic radiator driven by the same power?

1. AThe power radiated from the directional antenna is increased by the gain of the antenna
2. BThe power radiated from the directional antenna is stronger by its front-to-back ratio
3. CThey are the same
4. DThe power radiated from the isotropic radiator is 2.15 dB greater than that from the directional antenna

Pick an answer to check it.