Electronic Principles
What form of energy is used to maintain an imbalance of charges between the terminals of a battery?

Mechanical energy
Electronical energy
Chemical energy
Solar energy
None of these

ANSWER DOWNLOAD EXAMIANS APP

Electronic Principles
Which one of the following statements applies to common auto batteries?

Auto batteries are primary dry-cell batteries
Auto batteries are primary wet-cell batteries
None of these
Auto batteries are secondary wet-cell batteries
Auto batteries are secondary dry-cell batteries

ANSWER DOWNLOAD EXAMIANS APP

Electronic Principles
Waveforms are graphs that show:

amplitude on the vertical axis and frequency on the horizontal axis
frequency on the vertical axis and amplitude on the horizontal axis
None of these
amplitude on the vertical axis and the passage of time on the horizontal axis
the passage of time on the vertical axis and amplitude on the horizontal axis

ANSWER DOWNLOAD EXAMIANS APP

Electronic Principles
The total impedance of a parallel RLC circuit:

is maximum at the resonant frequency
None of these
always decreases as the applied frequency increases
is equal to the sum of the values of resistance, inductive reactance and capacitive reactance
always increases as the applied frequency increases

ANSWER DOWNLOAD EXAMIANS APP