February 27, 2017

Homework Help: Physics - electricity

Posted by Charles on Tuesday, April 17, 2007 at 10:42am.

An incandescent lamp is marked '120v,75W'

a)what is the current in the lamp under normal condition of operation?

b)How much does it cost per hour to operate the lamp if the price of electrical energy is $6.00 per unit?

Please stop posting under different names.

Use ohms law, remembering Power is I*V

Cost= power*time

Answer This Question

First Name:
School Subject:

Related Questions

More Related Questions