The standardization of AC potentiometer is done by ____________

1.	The standardization of AC potentiometer is done by ____________
A.	Using a DC standard source and d’ Arsonval galvanometer
B.	Using AC standard sources and transfer instruments
C.	Using a standard AC voltage source
D.	Using a DC standard source and transfer instruments
Answer» E.

Discussion

No Comment Found

Related MCQs

The inductance of a certain moving- iron ammeter is expressed as L = 10 + 3θ – \(\frac{θ^2}{4}\) μH, where θ is the deflection in radian from the zero position. The control spring torque is 25 × 10-6 Nm/rad. The meter carries a current of 5 A. What is the deflection?
The standardization of AC potentiometer is done by ____________
A 10 mA PMMC ammeter reads 4 mA in a circuit. Its bottom control spring snaps suddenly. The meter will now show __________
Moving Iron Instrument can be used as ____________
The scale of a dynamometer type instrument marked in terms of RMS value would be__________
A meter has a full scale of 90° at a current of 1 A. This meter has a perfect square law response. What is the current when the deflection angle is 45°?
Two ammeters, one with a full-scale current of 1 mA and internal resistance of 100 Ω and other a full-scale current of 10 mA and internal resistance of 25 Ω are in parallel. What is the total current, these two meters can carry without the reading out of scale in any meter?
The full-scale deflection current of a meter is 4 mA and its internal resistance is 400Ω. This meter is to have full deflection when 400 V is measured. What is the value of the series resistor to be used?
The full-scale deflection current of an ammeter is 4 mA and its internal resistance is 400Ω. If this meter is to have a full deflection of 10 A, what is the value of the shunt resistance to be used?
In a moving iron meter, the deflection torque is proportional to?

The standardization of AC potentiometer is done by ____________

Discussion

No Comment Found

Related MCQs

Reply to Comment