Question on: JAMB Physics - 2015
The strength of an electromagnet increase with
A
Increase in the number of turn of the coil
B
Decrease in current with the coil
C
Increase in the distance between the pole
D
Increase in current without the coil
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Correct Option: A
Note: the strength of an electromagnet increase with a decrease in the number of turns of the coil other are(ii) increase in current with in the coil
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