kwamemonues95
kwamemonues95 kwamemonues95
  • 14-05-2019
  • Physics
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A circuit has a 20-ohm resistor, and a current of 2 amps flows through it. What must be the battery voltage?

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musiclover10045
musiclover10045 musiclover10045
  • 14-05-2019

Using Ohm's Law:

Voltage = current ( amps) x resistance

Voltage = 2 amps x  20 ohms

Voltage = 40 volts

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