A Kelvin s multicellular voltmeter has a torsion head and a coach spri – McqOptions

MCQOPTIONS

1.	A Kelvin s multicellular voltmeter has a torsion head and a coach spring for
A.	Protection against accidental fraction of suspension due to vibration
B.	For zero adjustment
C.	Torsion head for zero adjustment and coach spring for protection against accidental fraction of suspension due to vibration
D.	Torsion head for protection against accidental fraction of suspension due to vibration and coach spring for zero adjustment
Answer» D. Torsion head for protection against accidental fraction of suspension due to vibration and coach spring for zero adjustment

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