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Measurements and Instrumentation

Q1:

In a Weston synchronoscope the deflecting torque is zero when

A currents in fixed and moving coils are in phase

B currents in fixed and moving coils are out of phase by 90°

C currents in fixed and moving coils are out of phase by 60°

D none of the above

ANS:B - currents in fixed and moving coils are out of phase by 90°

No answer description is available.



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