An ac tachometer has a drag cup construction so that Options: A . &nbsprotor inertia is low B . &nbsprotor body is conducting C . &nbsprotor is easy to fabricate D . &nbspboth (a) and (b)

An ac tachometer has a drag cup construction so that

Question

An ac tachometer has a drag cup construction so that

Options:

A . rotor inertia is low

B . rotor body is conducting

C . rotor is easy to fabricate

D . both (a) and (b)

Answer: Option D
Answer: (d).both (a) and (b)

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