a
Which of the following method is applied to produce magnetic field?
a. Bar magnet
b. Straight wire carrying current
c. Circular coil carving current
d. All of these
Answers
Answered by
3
Answer:
a is the answer
Explanation:
As we talk about bar magnet it has North ans south pole is form magnetic field
Answered by
16
Bar magnet is your answer....
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