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

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

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
The total current in a series circuit is equal to the sum of the currents flowing through the individual components in the circuit
None of these
The total current in a series circuit is equal to the total voltage multiplied by the total resistance
The same current flows through every part of a series circuit

ANSWER DOWNLOAD EXAMIANS APP

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

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

ANSWER DOWNLOAD EXAMIANS APP

Electronic Principles
The rms value of a sine waveform is:

the time required to complete one full cycle
equal to 0.707 times the peak amplitude
None of these
the number of cycles completed in one second
equal to 1.41 times the peak amplitude

ANSWER DOWNLOAD EXAMIANS APP

Electronic Principles
What is a free electron?

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

ANSWER DOWNLOAD EXAMIANS APP
MORE MCQ ON Electronic Principles