Question

State one factor on which the strength of an electromagnet depends.​

Answer 1

Answer:

the no of turn of wire within the coil .

the amount of current flowing in the coil

Answer 2

1.) It is directly proportional to the:

(i.) current flowing through the conductor

B ∝ I

(ii.) number of turns in the coil.

B ∝ n

2.) It is inversely proportional to the:

(i.) Radius of the circular wire

B ∝ 1/r

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