A. timing in sports
B. storing magnetic field
C. read the magnitude of magnetic flux
D. controlling another circuit carrying larger current

Correct Answer: Option D

D. controlling another circuit carrying larger current

SEE ALSO  A tap supplies water at 30°C while another supplies at 86°C. If a man wishes to bath with water at 44°C, calculate the ratio of mass of hot water to that of cold water required

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