Electrical Engineering Answers

What's the approximate broadcast power of a VHF localizer antenna?

a. 1500 watts
b. 150 watts
c. 2 watts
d. 100 watts

What antenna length would be the best for signal frequency of 300Mhz?

a. 0.48 mtr
b. 0.96 mtr
c. 1.68 mtr
d. 1.36 mtr

A frequency of 108Mhz could be used for which aircraft application?

a. VHF comm.
b. Transponders
c. VOR
d. AM broadcasts

In which of the following situations would a PNP transistor turn on and conduct normally?

a. Emitter= 0 volts Base= 1 volts Collector= 5volts
b. E= 0 volts B= -1 volts C= -5volts
c. E= 5volts B= 6volts C= -1 volts
d. E= 5volts B= 5volts C= -5volts

Each arm of a VOR bi-pole antenna should be the approximately what length?

a. 0.62mtr
b. 1.25mtr
c. 0.83mtr
d. 0.3mtr

What's the approximate range of the outer marker compass locator?

a. 7 kms
b. 15 kms
c. 1 km
d. 24 kms

Calculate the value of resistor RX such that the total power dissipated in the circuit is 2.5kw

Determine whether the following signals are periodic or non periodic if the signal is periodic find the fundamental period of
1. x (t) = 6cos 5/4 t + 2 cos 9/7 t
2. x (t) = sin√3t +cos √3t

diagonalize A= {{2,-1,-1},{1,4,1},{-1,-1,2}}
and compute A^2345