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Moving coil galvanometer construction ,

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Moving coil galvanometer construction ,

Posted by Pragya Gupta 6 years, 8 months ago

CBSE > Class 12 > Physics

5 answers

Gaurav Seth 6 years, 8 months ago

Students dont have access to upload pics.

Yo Yo Honey Singh ? 6 years, 8 months ago

Gaurav seth how u added diagram.please let me know

Gaurav Seth 6 years, 8 months ago

Moving coil galvanometer is an instrument used for the detection and measurement of small currents.

Principle: The working of moving coil galvanometer is that when a current carrying coil is placed in a varying magnetic
field, it experiences torque.
Consider a rectangular coil for which no. of turns = N
Are of cross-section is A = lb
Intensity of the uniform magnetic field = B
Current through the coil = I
Therefore,
Deflecting torque is given by,
BIL x b = BIA
For N number of turns,
^T= NBIA

Restoring torque in the spring = k
Therefore,

Yo Yo Honey Singh ? 6 years, 8 months ago

it will be better to consult NCERT book or any other reference book or if not then simply search on Google you will get everything about MCG

Yo Yo Honey Singh ? 6 years, 8 months ago

There is no option to add image or to draw image here of moving coil galvanometer then how can I tell you the construction

ANSWER

http://mycbseguide.com/examin8/

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