In the above circuit diagrams A is the ammeter and V is the Voltmeter. Which…

In the above circuit diagrams A is the ammeter and V is the Voltmeter. Which of the circuits is correct for finding the correct value of the resistance R
  • A.
    I
  • B.
    II
  • C.
    III
  • D.
    IV
Correct Answer: Option A
Explanation
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