Electrostatic devices are mainly used as ___________. – McqOptions

MCQOPTIONS

1.	Electrostatic devices are mainly used as ___________.
A.	Voltmeter
B.	Calorimeter
C.	Spectrometer
D.	Photometer
Answer» B. Calorimeter

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Direction: It consists of two statements, one labeled as ‘Statement (I)’ and the others as ‘Statement (II)’. You are to examine these two statements carefully and select the answer using the codes given below:Statement (I): Electrostatic Wattmeter is not widely used commercially because of its inability to measure the power of high value.Statement (II): It is used mainly for very small power measurements at high voltages and low power factors.
A voltmeter with an internal resistance of 200 Ω when connected across an unknown resistance reads 250 V. The milliammeter internal resistance = 0 connected in series with the above combination reads 10 mA. The actual value of the unknown resistance is ___________
Electrostatic-type instruments are primarily used as:
Electrostatic devices are mainly used as ___________.