Electronic Principles
The period of a waveform is:

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

ANSWER DOWNLOAD EXAMIANS APP

Electronic Principles
Which one of the following statements applies to common, non-rechargeable flashlight batteries?

Common flashlight batteries are secondary wet-cell batteries
Common flashlight batteries are primary wet-cell batteries
None of these
Common flashlight batteries are primary dry-cell batteries
Common flashlight batteries are secondary dry-cell batteries

ANSWER DOWNLOAD EXAMIANS APP

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

Secondary-cell batteries can be recharged and used many times, whereas primary-cell batteries cannot be properly recharged
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
None of these
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

ANSWER DOWNLOAD EXAMIANS APP
MORE MCQ ON Electronic Principles