Question 38
Current ElectricityIn the above circuit diagrams, A is the ammeter and V the voltmeter. Which of the circuits is correct for finding the value of the resistance R?
- A.I
- B.II
- C.III
- D.IV
Show the answer and explanation
Answer: A (I)
Explanation
The ammeter must be in series with R and the voltmeter in parallel across R, as in circuit I.