child first sprinkled the iron filings on the cardboard and then
allowed a high current to pass through the wire by plugging the key ‘K’ in the circuit followed by a gentle
tap on the cardboard. What would be his observation about the pattern of iron filings before plugging the
key and after tapping on the cardboard?
Answers
Answered by
2
Answer:
kay kara ha bhai please
Answered by
0
Answer:
hhbbbbvbhbb
Explanation:
hhhbbbiikkmkhbv b
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