Ohm’s law states:
Answer(s): A
Ohm’s law states that Voltage (V) = Current (I) × Resistance (R). All other answers are incorrect expressions of this law.
Which of the following materials usually has an electromagnetic-induction device in its core?
Answer(s): D
Iron is easily magnetized and demagnetized, so it works well for this device.
How many diodes should you expect to find in a bridge rectifier?
Answer(s): C
A bridge rectifier is also known as a full wave rectifier, usually containing 8 diodes.
Another name for cycles per second is _______________.
The number of times alternating current changes direction in one second is known as its frequency, which is measured in hertz.
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