How frequency meter measuring frequency?
What is the principle of frequency meter?
Answer Posted / 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.
| Is This Answer Correct ? | 16 Yes | 6 No |
Post New Answer View All Answers
WHY EXCITER PHASE SEQUENCE ARE OPPOSITE THAN STATOR SUPPLY PHASE SEQUENCE IN SYNCHRONOUS MOTOR >
advantage and disadvantage of team work?
can a 150 kva 3 phase 440v/230V delta-wye step down transformer can be use as step up transfoermer with connected loads at 440v side?
i want to know how to determine that a surge arrester work properly in 11kv system. and how to test a 12kv surge arrester
Why cables and busbar both needed in LT Panels?
What is the formula to calculate the rating of power cable for three phase current.
Name the component u would expect to find in a switchgear assembly?
What is icu and ics in Acb and how many time icu or ics passes from breaker?
How PADO software increase the efficiency of power plant?
if any house we instaled a 1.5 ton ac and its phase cable of wiring is installed but netrual cable of wiring not instaed. my question is that is neutual of house(for other wiring is capable for ac load or a sepeart neutrual wiring required
how will reduce the voltage. if 12volt/250ma transformer toreduce 6 volt
what are the difference between PLC and embedded
How to calculate energy stored in a capacitance
If the rated speed of a d.c. Shunt motor is1440 r.p.m, which method of speed control would you suggested to obtain a speed of 1500 r.p.m?
how we do Vector group ,magnetic balance and tap changer test in Transformer?