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Answer :

In an AC. co-ordinate potentiometer, the currents in the phase and quadrature potentiometer are adjusted to be out of phase by 90°.

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Description : To measure an A. C. voltage by using an A.C. potentiometer, it is desirable that the supply for the potentiometer in taken?

Last Answer : To measure an A. C. voltage by using an A.C. potentiometer, it is desirable that the supply for the potentiometer in taken from the same source as the unknown voltage.

Last Answer : In order to achieve high accuracy, the slide wire of a potentiometer should be as long as possible.

Last Answer : Basically a potentiometer is a device for comparing two voltages.

Last Answer : To measure a resistance with the help of a potentiometer it is not necessary to standardise the potentiometer.

Last Answer : A potentiometer may be used for measurement of resistance, measurement of current, calibration of ammeter, calibration of voltmeter.

Description : A rheostat differs from potentiometer in the respect that it?

Last Answer : A rheostat differs from potentiometer in the respect that it has higher wattage rating.

Last Answer : Yes we can use potentiometer for measuring resistance.

Last Answer : In a single phase power factor meter the phase difference between the currents in the two pressure coils is exactly 90°.

Description : A constellation diagram shows us the __________ of a signal element, particularly when we areusing twocarriers (one in-phase and one quadrature). A) amplitudeand phase B) amplitudeand frequency C) frequencyand phase D) none of the above

Last Answer : amplitudeand phase

Description : How is a quadrature detector changed when used for phase demodulation?

Last Answer : The quadrature grid signal is excited by a reference from the transmitter.

Description : A d.c. potentiometer is designed to measure up to about 2V with a slide wire of 800 mm. A standard cell of emf 1.18V obtains balance at 600 mm. A test cell is seen to obtain balance at 680 mm. The emf0fthe test cell is  A)1.00V B)1.34V C)1.50V D)1.70V 

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Last Answer : Potentiometer sensitivity can be increased by Increasing the length of potentiometer wire.

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Last Answer : Answer: C

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Last Answer : d.world co-ordinates

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Description : The window opened on the raster graphics screen in which the image will bedisplayed is called a.World co-ordinate system b.Screen co-ordinate system c.World window d.Interface window

Last Answer : d.Interface window

Description : What is the rectangle in the world defining the region that is to be displayed? a.World co-ordinate system b.Screen co-ordinate system c.World window d.Interface window

Last Answer : c.World window

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Last Answer : b.Screen co-ordinate system

Description : The object space or the space in which the application model is defined is called a.World co-ordinate system b.Screen co-ordinate system c.World window d.Interface window

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Description : What do you mean by Co-ordinate Geometry? -Maths 9th

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Description : The straight line ax + by + c = 0 and the co-ordinate axes form an isosceles triangle under which of the following conditions ? -Maths 9th

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