subject
Physics, 03.07.2019 00:30 alex6496

Ahertzian dipole antenna in free space has /= 0.02. the following are in far-field: (a) what value of current i is necessary to radiate a total power of 60 mw? (b) what is the ratio of the magnetic field intensity, h, at the polar angles 0 = 10 degrees and 80 degrees (c) what fraction of the total radiated power is contained in the region 0 < 60 degrees (d) what is the radiation resistance, rrad?

ansver
Answers: 3

Another question on Physics

question
Physics, 22.06.2019 10:10
Henry, whose mass is 95 kg, stands on a bathroom scale in an elevator. the scale reads 830 n for the first 2.4 s after the elevator starts moving, then 930 n for the next 2.4 s. part a what is the elevator's speed 4.8 s after starting? express your answer with the appropriate units.
Answers: 2
question
Physics, 22.06.2019 12:30
Cathy is pedaling down a steep hill on her bicycle and wants to be able to coast up the next hill, which is 25 meters high, without pedaling. cathy and her bicycle have a mass of 75 kg. assuming her bicycle is 100% efficient, what would her speed have to be?
Answers: 3
question
Physics, 22.06.2019 18:30
In which situation is the acceleration of a car negative? question 5 options: a)the velocity of a car was 75 km/hr over 4 hours. b)the velocity of a car reduced from 50 km/hr over one minute. c)the velocity of a car increased from 40 km.h to 75 km/h over 15 minutes. d)the velocity of a car was 45 km/hr at 2: 00pm and at 4: 00pm its velocity was 85 km/ht.
Answers: 2
question
Physics, 22.06.2019 19:30
The ability to make things happen is also called a. heat b. force c. matter d. energy
Answers: 1
You know the right answer?
Ahertzian dipole antenna in free space has /= 0.02. the following are in far-field: (a) what value...
Questions
Questions on the website: 13722360