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it's D) the intensity of magnetic field in A is less than in B ........
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nitintingre:
answer is proper and right also.
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To choose out suitable among the options
you need know about basic theory magnetic field intensity
Magnetic field intensity is directly proportional to amount of electric current passing through the conductor
here option B is right because parallel combination of resistor allow more current to flow than option A in which resistor is connected in series results in low amount of current to flow
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