Electronic Principles
Which one of the following statements is true for the currents in a parallel RL circuit?

The total current leads the total voltage by less than 90
The total current is equal to the sum of the currents through the resistance and inductance
The current always has the same amplitude and phase for every part of the circuit
The total current is less than the sum of the currents through the resistance and inductance
None of these

ANSWER DOWNLOAD EXAMIANS APP

Electronic Principles
Voltage is

None of these
The number of free electrons in an atom
The flow of charged particles through a material
Trie force that causes electrons to flow
The smallest electrically charged particle

ANSWER DOWNLOAD EXAMIANS APP

Electronic Principles
Which one of the following statements is true for the impedance of a series RC circuit?

The impedance is less than the sum of the resistance and capacitive reactance
None of these
The impedance is greater than the sum of the resistance and capacitive reactance
The impedance is equal to the sum of the resistance and capacitive reactance
The impedance is greater than either the resistance or capacitive reactance but less than their sum

ANSWER DOWNLOAD EXAMIANS APP

Electronic Principles
Which one of the following phrasers best describes flux density?

The rate of change of the number of lines of magnetic force
The force that maintains lines of force
None of these
The concentration of lines of magnetic force
The opposition to a build-up of magnetic fields

ANSWER DOWNLOAD EXAMIANS APP