Question

in the circuit given below the resistance R1, R2, R3 (ARE In PARALLEL) have the value of 10 ohm,20ohm, 30 ohm resp, which have been connected to battery of 12 v calculate A) the current through each resistor B)The total resistance C)The total current in the cKt.​

Answer 1

Answer:

V=12V

R1, R2 and R3 are connected in parallel.

(a) Current through R1 = V/R1 = 12/5 = 2.4 A

Current through R2 = V/R2 = 12/10 = 1.2 A

Current through R3 = V/R2 = 12/30 = 0.4 A

(b) Total current in the circuit = 2.4 + 1.2 + 0.4 = 4 A

(c) Total resistance in the circuit=R

1/R = 1/R1+ 1/R2 + 1/R

1/R = 1/5 + 1/10 + 1/30

1/R = 10/30

R = 3 ohm

Explanation:

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