Answer / antaryami mallick

In electrical resonance type measuring instrument it is based on electical resonance that is the pointer remains at stable for any frequency where the inductive reactance is equal to the capacitive reactance.This reactances of inductor in moving coil is adjusted by the torque produced in it.

Answer / faraj

it measure the number of signal zero crossing or the priodic time of the signal 

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last 5 year rrb allahabad junior engg electrial engg question paper

0 Answers   RRB,

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5 Answers   NTPC,

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What is electrical earthing?

1 Answers  

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