Electronic Principles
A basic capacitor is composed of:

None of these
two coils separated by a dielectric
two conductors separated by a dielectric
two dielectrics separated by a conductor
two coils separated by a conductor

ANSWER DOWNLOAD EXAMIANS APP

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

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

ANSWER DOWNLOAD EXAMIANS APP

Electronic Principles
The dielectric constant of a material is a measure of:

the amount of voltage it can withstand before breaking down
None of these
how well the material concentrates electrostatic lines of force
the amount of opposition to the current flow
how well the material concentrates magnetic lines of force

ANSWER DOWNLOAD EXAMIANS APP