How many ohms of resistance must be present in a circuit that has 240 volts and a current of 15 amps?
2 answers:
Answer: The correct answer is 16 ohms.
Explanation:
The mathematical expression from Ohm's law is as follows;
V=IR
Here, I is the current, V is the potential and R is the resistance.
It is given in the problem that the potential in the circuit is 240 V and the current is 15 A.
Calculate the resistance by rearranging the above expression.
Put I= 15 A and V= 240 V.
R= 16 ohms
Therefore, the value of the resistance is 16 ohms.
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