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Sahay Sir > Question Answers > Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) > A potentiometer wire AB as shown in 40 cm long of resistance 50Ω/m free end of an ideal galvanometer is touching the potentiometer wire with the help of a jockey. What should be the velocity of the jockey as a function of time so that potential difference across the galvanometer is varying with time as (2sinπt)V

A potentiometer wire AB as shown in 40 cm long of resistance 50Ω/m free end of an ideal galvanometer is touching the potentiometer wire with the help of a jockey. What should be the velocity of the jockey as a function of time so that potential difference across the galvanometer is varying with time as (2sinπt)V

AB is a uniform wire. Then value of 'x' must be : In a practical wheat stone bridge circuit as shown then ratio l1/l2 become '2'l1 is balance length when one more resistance of 100Ω is connected in parallel with unknown resistance 'x'