Electronic Principles
The component that forms the electrical connection between the rotating coil of wire in a motor and the external source of electrical energy is called the:

rotor
battery
None of these
armature
commutator

ANSWER DOWNLOAD EXAMIANS APP

Electronic Principles
Current is

An imbalance of electrical charges
None of these
The force that causes electrons to flow
The number of free electrons in an atom
The flow of charged particles through a material

ANSWER DOWNLOAD EXAMIANS APP

Electronic Principles
Which one of the following statements is true for current flowing in a series circuit?

The amount of current flow through each part of a series circuit can be different, depending on the resistance of each part and the amount of voltage applied to it
None of these
The total current in a series circuit is equal to the sum of the currents flowing through the individual components in the circuit
The same current flows through every part of a series circuit
The total current in a series circuit is equal to the total voltage multiplied by the total resistance

ANSWER DOWNLOAD EXAMIANS APP

Electronic Principles
The peak value of a sine waveform is:

the amplitude at 1.41 times the maximum value
the amplitude at 90% of the maximum value
the maximum positive or negative value
None of these
the amplitude at 70.7% of the maximum value

ANSWER DOWNLOAD EXAMIANS APP