Answer This with reason!!
With reason please..
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shashankavsthi:
option B is correct...since resistance in figure b is R/2 whereas resistance in figure A is R. so, more current means strong magnetic field.
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◆◆Option B◆◆
Magnetic field is directly proportional to the current pass through per unit Area.
Since in Fig.A resistance is R and in figure B equivalent resistance is R/2.
so, Current will pass more in Fig B than in A
hence stronger magnetic field will be in figure B.
That's why option B is correct.✔️✔️
Magnetic field is directly proportional to the current pass through per unit Area.
Since in Fig.A resistance is R and in figure B equivalent resistance is R/2.
so, Current will pass more in Fig B than in A
hence stronger magnetic field will be in figure B.
That's why option B is correct.✔️✔️
yes...since resistance is more it will reduce the flow of current...low current leads low magnetic field
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Option B is correct
Because,
resistance in figure B is R/2 whereas resistance in figure A is R.
So, more current means strong magnetic field...
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