The slide wire bridge \( \mathrm{AB} \) is \( 100 \mathrm{~cm} \) l...

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The slide wire bridge \( \mathrm{AB} \) is \( 100 \mathrm{~cm} \) long. Where should the free end of the galvanometer be connected on \( \mathrm{AB} \) so that the galvanometer may show zero deflection?
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