The current in a 100.-ohm resistor connected to a 0.40-volt source of potential diffrence will be 0.004Ampere
What is potential difference?
Potential difference is the difference in the amount of energy that charge carriers have between two points in a circuit.
The potential difference (which is the same as voltage) is equal to the amount of current multiplied by the resistance.
A potential difference of one Volt is equal to one Joule of energy being used by one Coulomb of charge when it flows between two points in a circuit.
The formula for potential difference is :
[tex]V=IR[/tex]
[tex]I=\dfrac{V}{R}[/tex]
[tex]I=\dfrac{0.4}{100}=0.0004 \ Amp[/tex]
Thus the current in a 100.-ohm resistor connected to a 0.40-volt source of potential diffrence will be 0.004Ampere
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