I need help if you can figure these out.
Photons are to light as ____ are/is to atoms.
What is the difference between specific heat and a heat calorie?
Visible light is to the electromagnetic spectrum as____is to ____.
What are some magnetic metals and why are they magnetic?
How many watts are produced from a 3 amp hair dryer (120 volts)?
How many amps would a 220 volt motor produce if it's 3000 watts?
If you can answer these please do.
2007-03-01 15:19:07 · 3 answers · asked by MCRhottie 1 in Science & Mathematics ➔ Other - Science
how many watts are produced from a 3 amp hair dryer (120 volts)
Watts = volts x amps = 360 watts
how many amps would a 220 volt motor produce if it's 3000 watts?
Amps = watts over volts = 13.63 amps
2007-03-01 15:32:09 · answer #1 · answered by Cotton 3 · 0⤊ 0⤋
1 watt = 1 volt x 1 amp.....3amp x120volts=360watts...and 3000 watts : 220volts = 13,6 amp
2007-03-01 23:52:21 · answer #2 · answered by Freesia 5 · 0⤊ 0⤋
Specific heat is the amount of heat required to raise the temperature of a substance by 1 degree.
http://en.wikipedia.org/wiki/Specific_heat
One unit of heat energy is the calorie:
http://en.wikipedia.org/wiki/Calorie
2007-03-02 00:45:10 · answer #3 · answered by arbiter007 6 · 0⤊ 0⤋