How much power is used by a calculator that operates on 8 volts and 0.1 ampere?

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2007-05-10 15:13:20 · 4 answers · asked by Anonymous in Science & Mathematics ➔ Physics

power=volts*amperes so power=8volts*0.1amps=0.8 watts

2007-05-10 16:51:51 · answer #1 · answered by Dr. Eddie 6 · 0⤊ 0⤋

Volt(Amp) = Watts(powr)

8 V(.1A) = .8 Watts of powr

2007-05-10 15:28:26 · answer #2 · answered by Anonymous · 0⤊ 0⤋

P = I * V
Power (in watts) = current (in amps) * voltage (in volts)

= 0.1amperes * 8volts
= 0.8 watts

2007-05-10 15:39:57 · answer #3 · answered by Anonymous · 0⤊ 0⤋

.8 watts

2007-05-10 15:16:31 · answer #4 · answered by Gene 7 · 1⤊ 0⤋