Three resistors of 12ohm each are connected in parallel across a 12V battery. Calculate total resistance and current in the circuit
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Formulae for Total resistance of conductors connected in parallel.
Given, r1,r2,r3 = 12
1/r = 1/r1 + 1/r2 +1/r3
So, 1/r = 1/12 + 1/12 + 1/12
1/r = 3/12
1/r = 1/4
r = 4
So, Equivalent Resistance = 4 ohm
Given, r1,r2,r3 = 12
1/r = 1/r1 + 1/r2 +1/r3
So, 1/r = 1/12 + 1/12 + 1/12
1/r = 3/12
1/r = 1/4
r = 4
So, Equivalent Resistance = 4 ohm
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