(a) What is the resistance of a lightbulb that uses an average
power of 75.0 W when connected to a 60.0-Hz power source
having a maximum voltage of 170 V?
Ω
(b) What is the resistance of a 120-W lightbulb? (Assume the
lightbulb uses an average power of 120 W when connected
to a power source having a maximum voltage of 170 V.)
Ω