moneyyfletcher
06.05.2021 •
Physics
A heater has a resistance of 20 ohms. If the heater operates on 120-V, what is the power created by the heater?
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Ответ:
Explanation :
According to Ohm's law current in a conductor between two points is directly proportional to the voltage across two points.
Mathematically,
Where,
V is the applied voltage.
I is current flowing.
R is resistance.
If the voltage increases, the current will increase because the voltage is directly proportional to the current.
Similarly, if resistance increases current will decrease because the current is inversely proportional to resistance.