11A

YOUR ANSWER: 125 watts.

Right.

Remember, P=E x l; P=I2R; P= E2.

R

How much power is consumed in the above circuit?

375 watts

frame 14A

750 watts.

frame 9B

11B

YOUR ANSWER: Both the above.

Very good.

We said earlier that 746 watts was equal to one horsepower. Now, let's solve a

problem using equivalent horsepower.

In a certain circuit, we have a voltage source of 373 volts supplying 4 amperes of

current. How much power is consumed by the circuit in (a) watts and (b) horsepower.

(a) 1492 watts.

frame 17A

(b) 2 horsepower.

(a) 93.25 watts.

frame 12B

(b) .11 horsepower

IT0348

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