The full-scale deflection current of an ammeter is 4 mA and its intern – McqOptions

MCQOPTIONS

1.	The full-scale deflection current of an ammeter is 4 mA and its internal resistance is 400 . If this meter is to have a full deflection of 10 A, what is the value of the shunt resistance to be used?
A.	49.99
B.	0.16
C.	1.5
D.	2.6
Answer» C. 1.5

Discussion

No Comment Found

Related MCQs

The inductance of a certain moving- iron ammeter is expressed as L = 10 + 3 ( frac{ ^2}{4} ) H, where 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 and other a full-scale current of 10 mA and internal resistance of 25 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 400 . 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 400 . 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?