Electronic Principles
A farad is defined as the amount of capacitance necessary for:

storing 1 V for 1 second
causing an ac phase shift greater than 90 degree
None of these
dissipating 1 W of power
changing the voltage on the plates at the rate of 1 V per second when 1 A of current is flowing

ANSWER DOWNLOAD EXAMIANS APP

Electronic Principles
Which one of the following statements most accurately reflects the nature of ac power?

The current in an ac circuit flows in one direction, but changes value periodically
The current in an ac circuit flows in one direction at a steady level
The current in an ac circuit flows in two directions at the same time
None of these
The current in an ac circuit changes direction periodically

ANSWER DOWNLOAD EXAMIANS APP

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

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

ANSWER DOWNLOAD EXAMIANS APP