Mathematics
Mathematics, 23.06.2019 15:30, nathancar

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 particular 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.

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The formula for electrical power (p, in watts) is where v is the voltage in volts and r is the resis...

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