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helpphysics
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Homework Statement
Anyway can you please help me out with the following?
240V , 50 Hz electrical appliance is rated at 2 kW. It has a lagging power factor of 0.7
(a) What is appliances power factor when it is used on a 60Hz supply.
(b) What is supply voltage required to maintain appliance at its rated power when operated off a 60 Hz supply?
2. The attempt at a solution
No idea..!
Can you suggest some relevant equations and guidance?
Thanks in advance