Electronic Principles
A certain electromagnet has 1000 turns of wire. How much current must flow through the coil in order to generate an mmf of 100 ampere-turns?

0.1 A
0.41666666666667
None of these
1000 A
100 A

ANSWER DOWNLOAD EXAMIANS APP

Electronic Principles
When a series RLC circuit is operating at its resonant frequency:

None of these
the difference between inductive and capacitive reactance is equal to the resistance
inductive reactance is equal to the capacitive reactance
inductive reactance is greater than the capacitive reactance
capacitive reactance is greater than the inductive reactance

ANSWER DOWNLOAD EXAMIANS APP