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The hanging wire has mass 10g and 5cm long .Spring stretch 0.5cm due to weight of wire and circuit has total resistance 12ohm. When this wire is subjected to magnetic field as shown in attachment., spring further elongates to 0.3cm. Find magnetic field.

The hanging wire has mass 10g and 5cm long .Spring stretch 0.5cm due to weight of wire and circuit has total resistance 12ohm. When this wire is subjected to magnetic field as shown in attachment., spring further elongates to 0.3cm. Find magnetic field. 

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Grade:12th pass

1 Answers

ROSHAN MUJEEB
askIITians Faculty 829 Points
one year ago
just use basic equilibrium conditions and use magnetic force=BIL

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