suppose a 6 volt battery is connected across a lamp if the current in the circuit is 0.25A calculate the value of the resistance from the resistor which must be used
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Resistance = Potential difference/Electric Current = 6 V / 0.25 Ampere = 24 ohms
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I=V/R
so, R=V/I=6/0.25=24ohm
so, R=V/I=6/0.25=24ohm
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