Question

Today's Physics home work
Questions
1) what is electric circuit? draw simple electric circuit.
2) With the the help of a diagram derive formula for the equivalent resistance the three resistance connected in parallel.
3) With the help of a diagram derive formula for the equivalent resistance the three resistance connected in series.​

Answer 1

what is electric circuit

An electrical network is an interconnection of electrical components or a model of such an interconnection, consisting of electrical elements. An electrical circuit is a network consisting of a closed loop, giving a return path for the current.

equivalent resistance the three resistance connected in parallel.

Likewise, if three or more resistors each with the same value are connected in parallel, then the equivalent resistance will be equal to R/n where R is the value of the resistor and n is the number of individual resistances in the combination. ... The equivalent resistance will therefore be: RT = R/n = 100/6 = 16.7Ω.

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