Question

Derive series and parallel combination of resistance with the help of a schematic diagram ( including battery , key and resistors )

Answer 1

Answer:

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Answer 2

Answer:

here is your answer

Step-by-step explanation:

The diagram of three resistors connected in series combination is shown.

R 1,R 2and R 3

are the three resistors.

I = electric current flowing through the circuit

V = the potential difference supplied by the battery

Applying the Ohm’s law to the entire circuit, we have

V=IR

On applying Ohm’s law to the three resistors separately, we further have

V 1=IR 1

V 2 =IR 2and

V 3 =IR 3

The total potential difference across a combination of resistors in series is equal to the sum of potential difference across the individual resistors. That is,

V=V 1 +V 2+V 3

Therefore,

IR=IR 1+IIR 2 +IR 3

or

Equivalent resistance of the combination, R=R

1 +R 2 +Rl 3