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padilas [110]
3 years ago
12

A 1,200-watt water heater is plugged into a 120-volt outlet and used for 1.5 hours. How much current runs through the vacuum?

Physics
2 answers:
natita [175]3 years ago
7 0
                   Power  =  (voltage) x (current)

                 (1,200 W)  =  (120 V) x (current)

                 Current = (1,200 watt) / (120 volt)  =  10 Amperes.

How long the heater heats is irrelevant.   The current
is flowing all the time, whenever the heater is running.
Len [333]3 years ago
3 0
1200 watts / 120 volts =10 amps begins to flow as soon as you plug it in.
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