1) how can the total effective resistance be reduced if connected in parallel
2) define equivalent resistance
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Refer to the link given below to get the answer of the IInd question :
https://www.meritnation.com/ask-answer/question/what-is-equivalent-and-effective-resistance/electricity/7984071
Refer to the link given below to get the answer of the IInd question :
https://www.meritnation.com/ask-answer/question/what-is-equivalent-and-effective-resistance/electricity/7984071