Question

5 To get the resistance make the relation between the electric
current (1) and potential difference (v) if (RI,R2,R3.........) are connected in parallel with electric circuit
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Answer 1

When resistances ( R1,R2,R3...) are connected in parallel-

In parallel combination, V across ends of resistors remains constant and I adds up to give total current in the circuit.

Therefore,

I eff. = I1+ I2+ I3+...

As I = V/R

Therefore,

(V/R)eff. = V/R2+V/R2+V/R3+...

V(1/R)eff. = V(1/R1+1/R2+1/R3+...)

1/R eff. = 1/R1+1/R2+1/R3...

HOPE IT HELPS

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Answer 2

Answer:

in parallel connection

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