aredding4359 aredding4359

27-02-2024
Physics

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A meter bridge is balanced by putting a 40-ohm resistance in the left gap and a 60-ohm resistance in the right gap. If the 40-ohm resistance is now shunted with a 40-ohm resistance, the shift in the null point is
A) 0 cm
B) 10 cm
C) 20 cm
D) 40 cm

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