Electronic Principles
The period of a waveform is:

the number of cycles completed in one second
None of these
equal to 0.707 times the peak amplitude
the time required to complete one full cycle
the time required for the voltage to rise from 10% to 90% of the peak amplitude

ANSWER DOWNLOAD EXAMIANS APP

Electronic Principles
Voltage is

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

ANSWER DOWNLOAD EXAMIANS APP

Electronic Principles
The south pole of a magnet is the one:

that would be attracted to the earth's south magnetic pole
None of these
that would be repelled by the north pole of another magnet
that has its molecules arranged in a random pattern
that would be attracted to the earths north magnetic pole

ANSWER DOWNLOAD EXAMIANS APP

Electronic Principles
What is the primary difference between primary and secondary cell batteries?

Primary-cell batteries use chemical cells, whereas secondary-cell batteries use an alternative energy source, such as thermal or magnetic energy, to supplement their outputs
None of these
Primary-cell batteries can be recharged and used many times, whereas secondary-cell batteries cannot be properly recharged
Primary-cell batteries must be recharged at a much slower rate that secondary-cell batteries
Secondary-cell batteries can be recharged and used many times, whereas primary-cell batteries cannot be properly recharged

ANSWER DOWNLOAD EXAMIANS APP
MORE MCQ ON Electronic Principles