Units of measuring
A unit measuring the strength of an electrical current, based on the number of electrons transferring past a given point per second.
What is an Ampere?
An instrument for measuring current in amperes
Ammeter
Device to break the transfer of electricity.
What is a Switch?
To connect any part of an electrical wiring system to the ground or to another conducting body, such as a metal water pipe or a metal rod driven into the earth.
What is the ground?
A unit of measurement for electrical resistance to a current.
What is a Ohm
an instrument for measuring the electric active power (or the average of the rate of flow of electrical energy) in watts of any given circuit.
What is a wattmeter?
An electrical device where the switch can easily be connected to a fixture or equipment that uses electricity.
What is Outlet?
A material that does not conduct electricity, such as rubber or plastic.
What is an Insulator?
Unit that measures electrical power at the point where it is used in a circuit
What is a Watt
What is a multimeter?
The device that you plug electric cords into, sometimes called an outlet
what is Receptacle?
A loop-shaped path through which electric current travels from the source through some device using electricity, such as a lightbulb, and back to the source.
What is a Circuit?
A unit of potential difference, or a unit of measurement of electrical pressure or force.
What is Volt
An instrument for measuring the difference in electric potential (electrical pressure) between two points.
What is a Voltmeter
A resistor is built so that the current traveling through the circuit can be adjusted at will.
What is a Rheostat?
An electric current of constant direction—that is, the transfer of electrons goes only in one direction.
What is a Direct Current?
A unit of frequency equal to one cycle per second
What is a Hertz
A device that detects and determines the strength of electrical currents
What is a Galvanometer?
A safety device is installed in a circuit to prevent an overload.Designed to melt or “blow” when current exceeds a set amount, it opens the circuit and stops the transfer of electricity.
What is a Fuse?
The current regularly reverses direction, traveling first in one direction and then in the opposite direction.
What is an alternating current?