The power of resistor is the maximum pow...

The power of resistor is the maximum power the resistor can safely dissipate without too rise in temperature. The power rating of a `15 kOmega` resistor is `5.0 W`. What is the maximum allowable potential difference across the terminals of the resistor?
(b) A `9.0 kOmega` resistor is to be connected across a `120 V` potential difference. What power rating is required?

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