A 2400 watt appliance operating at 10 amps has most nearly_____ ohms resistance. A) 24 B) 0.5 C) 5 D) 240 E) need more info I tried to find a formula to use, but i don't know which one to use. Thank you.
You have an LED bulb that uses 4 watts of power and gives an output of 170 lumens. The operating voltage is 120 volts. Using this data, find the following. 1. What is the current that the LED bulb uses?