A device capable of detecting voltage, current and the angle between the voltage and the current to provide power readings directly in watts is known as a/an:

A device capable of detecting voltage, current and the angle between t

1.	A device capable of detecting voltage, current and the angle between the voltage and the current to provide power readings directly in watts is known as a/an:
A.	ammeter
B.	wattmeter
C.	power factor meter
D.	voltmeter
Answer» C. power factor meter

Discussion

No Comment Found

Related MCQs

In 'two-wattmeter method' of power calculation of a 3-phase balanced star connected system, what is the power factor of the system if both the wattmeter’s show a positive reading?
A 3-phase 10 kVA load has a power factor of 0.342. The power is measured by the two-wattmeter method.Find the reading of each wattmeter when the power factor is leading.
In two wattmeter method of power calculation of a 3-phase balanced star connected system, what is the power factor of the system, if both the wattmeters show the same positive reading?
A device capable of detecting voltage, current and the angle between the voltage and the current to provide power readings directly in watts is known as a/an:
A balanced 3-phase star-connected load draws power from a 440 V supply. The two watt-meters connected indicate W1 = 4.2 kW and W2 = 0.8 kW. Calculate the current in the circuit in Amperes
For a balanced load, the reactive power is measured by two wattmeter method with readings W1 and W2, the total reactive power is given by:
In a crossed coil power factor meter the moving coils should be mounted on which type of shaft and at what angles to each other?
A three-phase 10 kVA load has a power factor of 0.342. The power is measured by the two-wattmeter method.Find the reading of each wattmeter when the power factor is lagging.
For a delta-connected load being measured for power by the two-wattmeter method, if Iph will lead Vph by angle ϕ then it is the case of __________.
A dynamometer instrument is mainly used as

A device capable of detecting voltage, current and the angle between the voltage and the current to provide power readings directly in watts is known as a/an:

Discussion

No Comment Found

Related MCQs

Reply to Comment