In the circuit diagram above, the ammeter reads a current of 3A when R is…

In the circuit diagram above, the ammeter reads a current of 3A when R is 5 ohms and 6A when R is 6 ohms,the value of the unknown resistance X is
  • A.
    1
  • B.
    2
  • C.
    3
  • D.
    4
Correct Answer: Option A
Explanation
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