Electronic Principles
A low-pass filter:

None of these
has no effect on ac signals
passes higher-frequency signals and reduces lower-frequency signals
reduces the level of all frequencies by a significant amount
passes lower-frequency signals and reduces higher-frequency signals

ANSWER DOWNLOAD EXAMIANS APP

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

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
None of these
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

ANSWER DOWNLOAD EXAMIANS APP

Electronic Principles
Which one of. the following phrases most accurately describes the nature of a pulsating dc voltage?

The voltage reverses polarity periodically
None of these
The voltage remains at one polarity but changes value periodically
The voltage causes current to flow in two directions at the same time
The voltage remains at one polarity and at a steady level

ANSWER DOWNLOAD EXAMIANS APP
MORE MCQ ON Electronic Principles