How the force on the conductor will change if (a) angle between I and B is increased from 0° to 90° (b) length of conductor is doubled.
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a) F = GMm/r*r
Hence the force will decrease as r increases.
b) Resistance is directly proportional to length and inversely to current.
Hence the force will decrease because resistance increases decreasing the current.
By the way there's no attachment.
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