The electric motor in the car is powered by a battery. To charge the battery, the car is plugged into the mains supply at 230 V. The power used to charge the battery is 6.9 kW Calculate the current used to charge the battery.

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Groups of organs that work together to complete a process in the body are called: a. cells b. tissues c. nerves d. systems

1. a camcorder has a power rating of 19 watts. if the output voltage from its battery is 7 volts, what current does it use?answer units 2. a 1.5m wire carries a 6 a current when a potential difference of 57 v is applied. what is the resistance of the wire? yourunits 3. a clothes dryer uses about 2 amps of current from a 240 volt line. how much power does it use? yourunits 4.

In the absence of friction gravity and all other external forces