how to use the formula of resistance? (Tell me it's formula and also write the example of using it)
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Use these values in Ohm's Law.
If you know the total current and the voltage across the whole circuit, you can find the total resistance using Ohm's Law: R = V / I. For example, a parallel circuit has a voltage of 9 volts and total current of 3 amps. The total resistance RT = 9 volts / 3 amps = 3 Ω. "
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