Three resistors 2 Ω, 3 Ω and R Ω are connected in series to a battery of voltage 20 V. If the current through the circuit is 1 ampere then the value of R is ………………… ohm. 

A) 5 

B) 10 

C) 15 

D) 25

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1 Answers

Correct option is  C) 15

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