Question

how much current will flow through a resistor of resistance 12 oms if a battery of 18V is connected across it

Answer 1

Hi Thakur69............

from Ohm's law we have, 
          V=IR=>I=V/R 
where V is potential difference, I is current and R is resistance
Here given, V=18V
                   R=12 ohms
So current I =V/R=18/12=1.5A

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