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You are given several identical resistor...

You are given several identical resistors each of value `10Omega` and each capable of carrying a maximum current of 1 A. It is required to make a suitable combination of these to resistances to produce a resistance of `5Omega` which can carry a current of 4 A. The minimum number of resistors required for this job is

A

4

B

8

C

10

D

20

Text Solution

Verified by Experts

The correct Answer is:
B
`R_(P)=(R)/(n),i_(p)=mi`
`impliesmxxn=` ….
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