Electrical Theory Journeyman
Providing a path to earth helps reduce _____ _____ ️electrostatic charge
Lightning frequently terminates to a point of elevation and strikes nonmetallic as well as metallic objects
with the _____ _____. ️same frequency
It is not the force of the magnetic fie...
Electrical Theory Journeyman
Providing a path to earth helps reduce _____ _____ ✔️electrostatic charge
Lightning frequently terminates to a point of elevation and strikes nonmetallic as well as metallic objects
with the _____ _____. ✔️same frequency
It is not the force of the magnetic field through a conductor that produces electricity; it is the _____
_____ of the field to the electrons within the conductor that produces the movement of electrons.
✔️relative motion
The severity of an electric shock is dependent on the current flowing through the body, which is
impacted by circuit _____ and contact _____. ✔️voltage; contact
People become injured and death occurs when voltage pushes electrons through the human body
causing the heart to go into _____ ______ ✔️ventricular fibrillation
An electrical arc blast can approach __________, which vaporizes metal parts and produces an explosive
and deadly pressure wave. ✔️30,000 degrees F
If a conductor carrying current is next to another conductor carrying current in the opposite direction,
the _____ field attempts to push the conductors apart. ✔️electromagnetic
A clamp on AC ammeter has a coil that is clamped around the conductor and detects the rising and
falling _____ field being produced due to the ac flow through the conductor ✔️magnetic
Ohmmeters measure the _____ or opposition to current flow of a circuit or component ✔️resistance
The megger is used to measure very high-_____ values, such as those found in cable insulation, or motor
and transformer windings. ✔️resistance
The electric motor works on the principle of attracting and repelling forces of _____ fields ✔️magnetic
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