have any one force being the equilibrant of the other two
make a body move randomly
make a body oscillate
move a body along a straight line
rotate a body about its axis
Correct answer is A
No explanation has been provided for this answer.
Radio receivers are tuned using
electromagnets
electric motors
Inductors
variable capacitors
variable resistors
Correct answer is D
No explanation has been provided for this answer.
An electric motor primary converts
electrical energy to chemical energy
electrical energy to heat energy
electrical energy to mechanical energy
mechanical energy to electrical energy
mechanical energy to light energy
Correct answer is C
No explanation has been provided for this answer.
II only
I and II only
II and III only
I and III only
I, II, and III
Correct answer is D
No explanation has been provided for this answer.
Which of the following radiations has the shortest wavelength?
Infrared rays
Light waves
Microwaves
Ultraviolet rays
X-rays
Correct answer is E
No explanation has been provided for this answer.