Question

Two resistors of resistance 5 ohm &20 ohm are connected in parallel and a 50v is applied to the arrangement

Answer 1

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Effective resistance = 5*2/5+20 = 10/25 = 2/5 Ω

Voltage = 50 V

We know that from Ohm's Law,

Current = Voltage/Resistance

I = V/R

I = 50/(2/5)

I = 50*5/2

I = 125 A