Electronic Principles
What is one important thing transistors do?

None of these
Amplify weak signals
Emit light
Rectify line voltage
Regulate voltage

ANSWER DOWNLOAD EXAMIANS APP

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

The total voltage is less than the sum of the voltages across the resistance and capacitance
None of these
The total voltage is equal to the sum of the voltages across the resistance and capacitance
The total voltage is greater than the sum of the voltages across the resistance and capacitance
The voltage always has the same amplitude and phase for every part of the circuit

ANSWER DOWNLOAD EXAMIANS APP

Electronic Principles
One henry of inductance is defined as:

the amount of inductance required for generating 1 V of counter emf when the current changes at the rate of 1 A per second
the number of turns of wire in an inductor multiplied by the amount of current flowing through it
the amount of inductance required to change the frequency of a current by 1 Hz
None of these
the amount of counter emf required to reduce a current to 1 A

ANSWER DOWNLOAD EXAMIANS APP