A meter has a full scale angle of 90° at a current of 1 A. This meter has perfect square-law response. What is the current when the deflection angle is 45°?

A meter has a full scale angle of 90° at a current of 1 A. This meter

1.	A meter has a full scale angle of 90° at a current of 1 A. This meter has perfect square-law response. What is the current when the deflection angle is 45°?
A.	0.5 A
B.	0.25 A
C.	0.707 A
D.	0.67 A
Answer» D. 0.67 A

Discussion

No Comment Found

Related MCQs

Calculate the limiting error of an ammeter of range 0-25 A given also that it has a guaranteed accuracy of 1% of full-scale reading. The current measured by the ammeter is 5 A.
A 200 V PMMC voltmeter is specified to be accurate within ±2% of full scale. The limiting error, when the instrument is used to measure a voltage of 100 V, is
A current of 2 ± 0.5% A passes through a resistor of 100 ± 0.2% Ω. The limiting error in the computation of power will be
A tangent galvanometer is a:
In a current measurement exercise the standard deviation is 4 mA. Calculate probable error.
A temperature sensor having a range of 0-100°C has a worst case accuracy specification of ± 1.0% of true value of ± 0.3% of full scale, whichever is higher. The sensitivity of the sensor is experimentally obtained by taking its readings at true temperatures 25°C and 75°C. The maximum error in sensitivity, expressed as percentage of its ideal value is
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): For random error with Normal distribution, probable error = ± 0.6745 σ, where σ is the standard deviation.Statement (II): Probable error ξρ is that error value where there is a 50% chance that any observation has a random error no grater than ± ξρ
Directions: It consists of two statements, one labeled as the 'Statement (I)' and the other as 'Statement (II)'. Examine these two statements carefully and select the answer using the codes given below:Statement (I): If the limiting errors of measurement of power consumed by and the current passing through resistance are ±1.5 % and ±1.0 % respectively, then the limiting error of resistance measurement will be ±2.5 %.Statement (II): Mathematically if f = xyz, Then Δf = (Δx) yz + x(Δy) z + xy(Δz)
In an ac main, the rms voltage Vac, rms current Iac and power Wac are measured as: Vac = 100 V ± 1%, Iac = 1 A ± 1% and Wac = 50 W ± 2% (errors are with respect to readings). The percentage error in calculating the power factor using these readings is
An ammeter of 0-50 A range has an accuracy of ± 1% of full scale reading. The current measured is 10 A. The uncertainty in measured value is

A meter has a full scale angle of 90° at a current of 1 A. This meter has perfect square-law response. What is the current when the deflection angle is 45°?

Discussion

No Comment Found

Related MCQs

Reply to Comment