Electronic Principles
A device that converts mechanical pressure to electrical energy is called a:

None of these
piezoelectric device
solar cell
nicad cell
photodiode

ANSWER DOWNLOAD EXAMIANS APP

Electronic Principles
A high-pass filter:

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

ANSWER DOWNLOAD EXAMIANS APP

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

The total current in a parallel circuit is always less than the smallest amount of current
The amount of current flow through each branch of a parallel circuit can be different, depending on the resistance of each branch part and the amount of voltage applied to it
None of these
The same current always flows through every part of a parallel circuit
The total current in a parallel circuit is equal to the total voltage multiplied by the total resistance

ANSWER DOWNLOAD EXAMIANS APP

Electronic Principles
Voltage is

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

ANSWER DOWNLOAD EXAMIANS APP
MORE MCQ ON Electronic Principles