4A

YOUR ANSWER: 36 watts.

Very good. P = E x I.

Let's try another one.

How much power is consumed in the circuit?

25 watts.

frame 7A

1 00 watts.

frame 3B

4B

YOUR ANSWER: P = E2.

R

Right you are.

P = Ex I.

P = I2R and P = E2

R

Now, solve this problem.

A certain circuit consumes 600 watts of power from a 200-volt source.

What is the current flow in the circuit?

3 amperes.

frame 8B

120,000 amperes.

frame 10A

1-5

IT0348

Integrated Publishing, Inc. |