- #1

Clara Chung

- 304

- 14

**
1. Homework Statement **

As shown

## Homework Equations

The answer is A.

## The Attempt at a Solution

Resistance of X = 200^2 / 100 = 400ohm

Resistance of Y= 200^2 / 60 = 667 ohm

Voltage supply to X= 200 (400)/(400+667) =75V

Voltage supply to Y= 200(667)/(400+667)= 125V

From the graph ,put 75 V, I get 0.3 x 75 = 22.5 W for X

put 125 V, I get 125 x 0.2 = 25 W for Y.

Please tell me how to get the correct answers. Thanks for your help.