To limit the power diffusion in a 75 Ω resistor to 90 watts, find the resistance and find the power dissipation of the resistor which must be placed in series with a 75 Ω resistor across 120V source.

To limit the power diffusion in a 75 Ω resistor to 90 watts, find the

1.	To limit the power diffusion in a 75 Ω resistor to 90 watts, find the resistance and find the power dissipation of the resistor which must be placed in series with a 75 Ω resistor across 120V source.
A.	34.6 Ω, 41.5 W
B.	30 Ω, 40 W
C.	23 Ω, 28 W
D.	15 Ω, 33 W
Answer» B. 30 Ω, 40 W