An insulative material is one that will stop the conduction of heat. This would be considered a thermal brake and could be a piece of plastic or wood.
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You can stop an electric current by disconnecting the circuit from its supply voltage.
You put a non conducting material in between the electric circuit or just cut off the supply system :-)
The flow of electric charges is current.
Electric current does not drop. Electric voltage, however, drops across a wire because the wire has non-zero resistance. (Do not confuse electric current with electric voltage - they are not the same.)The reason current does not drop is that, in a series circuit, according to Kirchoff's current law, the current at every point in a series circuit is the same.
The resistor allows current to enter the electromagnet in an electric motor. The resistor regulates the amount of current that enters the electric motor.
Current is the flow of electric charge or the rate of the flow of an electric charge through a conductor.
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