Question

Calculate the resultant resistance of three resistances having resistance 1 KQ, 2.5 KQ, 3.3 MQ connected in series
(Ans 3303.5 kQ)​

Answer 1

Answer:Two ways:

R = (R1 x R2) / (R1 + R2)

R = 1 / (1/R1 + 1/R2)

On a calculator: input R1, press 1/x, then press +, input R2, press 1/x, press =, then 1/x.

If you have more resistors of various values in parallel, just continue inputting their values and pressing 1/x after each, and press = when you got all of them, and then 1/x. Very simple, and fairly fast.

Explanation:

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