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What are the internal resistance and voltage rating of a 450w automotive washer that draws 3.75a?

Feb 25

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Feb 25

To calculate the internal resistance of the automotive washer, we can use Ohm's Law:

Resistance (R) = Voltage (V) / Current (I)

Given that the current drawn by the washer is 3.75A, we can calculate the voltage using the formula:

Power (P) = Voltage (V) x Current (I)

450W = V x 3.75A

V = 450W / 3.75A

V = 120V

Now we can calculate the internal resistance:

R = 120V / 3.75A

R = 32 ohms

Therefore, the internal resistance of the automotive washer is 32 ohms and the voltage rating is 120V.

Resistance (R) = Voltage (V) / Current (I)

Given that the current drawn by the washer is 3.75A, we can calculate the voltage using the formula:

Power (P) = Voltage (V) x Current (I)

450W = V x 3.75A

V = 450W / 3.75A

V = 120V

Now we can calculate the internal resistance:

R = 120V / 3.75A

R = 32 ohms

Therefore, the internal resistance of the automotive washer is 32 ohms and the voltage rating is 120V.