Question

To get 2ohm resistance using 6ohm resistors find the number of resistor required?

Answer 1

Answer:connect three 6 ohm resistors in parallel.

Explanation:the resultant on calculation u will find 2.

Answer 2

Total number of resistors used in the circuit is 3 in order to get 2 ohms  resistance.

Explanation:

For finding numbers of resistors, when 2 ohm resistance is utilizing 6 ohm resistors,

In the case where 3 resistors of 6 ohms are connected in parallel, then the equal resistance is denoted by :

$1 / R = 1/R1 +1/R2 +1/R3$

$1 / R = 1/6 +1/6 + 1/6$

R = 2 ohms

So, total number of resistors used in the circuit is 3 in order to get 2 ohms equivalent resistance.

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