The formula for electrical power (P, in watts) is where V is the voltage in volts and R is the resistance in ohms. For a particu
lar brand of water heater, R is 32 ohms and P is 0.5 watts. The formula to find V is , and the voltage at which the heater operates is volts.
1 answer:
Answer:v=√(pr) 4volts
Step-by-step explanation:
v=√(pr)
v=√(32×0.5)
v=√(16)
v=4volts
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