Electronic Principles
What is a free electron?

An electron that costs nothing
An electron that has twice the amount of charge of a normal electron
None of these
An electron that has no electrical charge
An electron that has been freed from its parent atom

ANSWER DOWNLOAD EXAMIANS APP

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

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

ANSWER DOWNLOAD EXAMIANS APP

Electronic Principles
Which one of the following principles best describes the basic operation of an electromagnet?

Like magnetic poles repel, while unlike poles attract
None of these
Like magnetic poles attract, while unlike poles repel
Current is induced in a conductor that is moving through a magnetic field
Current flowing through a conductor generates a magnetic field

ANSWER DOWNLOAD EXAMIANS APP