Question

How many 10 ohms resistance are to be connected in parallel to get equivalent resistance of 2 ohms

Answer 1

Answer:

20 , is the answer,I hope it helps,

Answer 2

Answer:

20 resistors

Explanation:

resistance=10 ohms

equivalent resistance in parallel series=2 ohms

$\frac{1}{r1} + \frac{1}{r2} + .... = 2$

$n (\frac{1}{r}) = 2$

$n (\frac{1}{10} ) = 2$

$n = 20$

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