Thermal –root , Electrical Engineering

Assignment Help:

A moving coil galvanometer consists of a coil  in a uniform magnetic field Bo, suspended fro a fibre of torque constant C, current I produces a deflection O=nABoi/c where n is the number of turns  and A is the area of the coil. The period of oscillation T=2?(I/C)1/2 where I is the moment of inertia. The resistance of the coil and the circuit in which it is placed is adjusted to give a critical dumping Rc=n2 A2Bo2/2(ic)1/2 . if the minimum detectable current produces deflection equal to thermal -root mean square value O, show that minimum current is given by

imin  =( ?KT/ TRc)1/2

 


Related Discussions:- Thermal –root

Newtons law of gravitation, Particles of mass M and m separated in space by...

Particles of mass M and m separated in space by a distance R exert a mutually attractive gravitational force F on one another given by where G is the universal gravitationa

Alumel and chromel wires (KP and KN), how do i figure up the resistance on ...

how do i figure up the resistance on Alumel and chromel wire stranded .080 dia 19 stands?

Forward bias, Forward bias In forward bias, the p-type is linked with...

Forward bias In forward bias, the p-type is linked with the positive terminal and the n-type is linked with the negative terminal.In forward bias mode the PN junction operati

Rectifiers and inverters, Normal 0 false false false EN...

Normal 0 false false false EN-IN X-NONE X-NONE RECTIFIERS AND INVERTERS

Test schedule - meter testing, Test Schedule - Meter Testing The test ...

Test Schedule - Meter Testing The test schedule as per the Central Electricity Authority Regulations on Installation and Operation of Meters is given below. Table: Test S

Refrigeration and airconditioning, Ask question #Minimum 100 words acceptTh...

Ask question #Minimum 100 words acceptThere are various refrigeration systems employing various methods. State any seven (7) refrigeration systems, mention the method(s) employed t

Show maximum differential input voltage of amplifier, Q. Show Maximum Diffe...

Q. Show Maximum Differential Input Voltage of amplifier? This is the maximum value of differential input voltage v p - v n that can be applied without damaging the op amp.

Show equivalent circuit of a synchronous machine, Equivalent Circuit of a S...

Equivalent Circuit of a Synchronous Machine A review of the material about elementary synchronous machines is very helpful at this stage to recall the principles of operation f

Finance and accounting in kpi, Finance and Accounting in KPI Every bus...

Finance and Accounting in KPI Every business is completed to earn some profit and it is the underline concept. The main tasks are to manage the finances efficiently to meet th

Write Your Message!

Captcha
Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd