8. (a) Why the dynamometer type instrument is called as transfer type instruments, mention its advantages and disadvanta
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8. (a) Why the dynamometer type instrument is called as transfer type instruments, mention its advantages and disadvanta
8. (a) Why the dynamometer type instrument is called as transfer type instruments, mention its advantages and disadvantages. (2) (b) Explain how the energy consumption is measured using induction type energy meter by deriving its energy/power equation with neat sketch. (3)