physics
posted by nitz .
determine the amount of heat generated per minute by a 120 volt lamp which takes 0.5 amperes.
thanks!

physics 
bobpursley
heat: power*timeInSecods= 120*.5*60sec/min
Respond to this Question
Similar Questions

physics
please help If a 120 volt line to a socket is limited to 15 amperes by a fuse, will it operate a 1200 watt hair dryer? 
Physics
A portion of an electric circuit connected to a 7 ohm resistor is embedded in 1.20 kg of a solid substance in a calorimeter. The external portion of the circuit is connected to a 100 volt power supply. (a) Assuming that all the heat … 
physics
five resistors of 30 ohms each are connected in parallel across a 120 volt line. the combined resistance of the five resistors is ___ ohms. The total current in the circuit is ___ amperes. The current in each branch is ___ amperes. … 
calculus
The voltage V (volts), current I (amperes), and resistence R (ohms) of an electric circuit are related by the equation V=IR. Suppose that V is increasing at a rate of 3 volt/sec while I is decreasing at a rate of 1/8 amp/sec. Let t … 
physics
A 2000 watt heating element is connected in parallel to a 100 watt bulb across 200 volt source. Determine the total power and heat generated in the combination for 1.5 hours. help! 
Physics
A 100 W lamp is connected to 120 V, and its current is measured. A resistor is added to the lamp to reduce the current to half its original value. (a) What is the potential difference across the lamp? 
math
calculate the resistances of (a) 100watt 120volt incandescent lamp, (b) a 750watt 115volt toaster, (c) a 1300 watt 110volt portable iron. 
Physics
A storage battery has an emf of 6.3 volts and an internal resistance of 0.01 ohm. it is to be charged for 120 amperes.hours from a 30 volt emf source having a resistance of 0.08 ohm at the rate of 20 amperes. a. compute for the resistance … 
physics
an operating 100watt lamp is connected to a 120volt outlet. what is the total energy used by the lamp in 60. seconds 
Physics
An electric kettle rated accurately at 2.5kw is used to heat 3kg of water from 15% to boiling point it takes 9.5 minute. Then the amount of heat that has been lost is