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A sample of iron carrying a current is subjected to a magnetic field. Match List–I with List–II to indicate the influence of angle between the magnetic field and current on the resistivity of the sample and select the correct answer from the codes given below the lists:
List–I (Direction of current)
(A) Parallel of magnetization
(B) Perpendicular to magnetization
List–II (Electrical resistivity)
1. Increase
2. Decrease
3. Unchanged
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- A B
1 2 - A B
2 1 - A B
3 2 - A B
3 1
- A B
Correct Option: A
NA