# In an AC. co-ordinate potentiometer, the currents in the phase and quadrature potentiometer are adjusted to be?

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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Last Answer : The stator of phase shifting transformer for use in conjunction with an A.C. potentiometer usually has a two-phase winding.

Description : When the voltage across a battery is measured using a D.C potentiometer, the reading shows 1.08 V. But when the same voltage is measured using a Permanent Magnet Moving Coil (PMMC) voltmeter, the voltmeter reading shows 0.99 ... resistance of the battery, in Ohm , is (A) 150 (B) 100 (C) 50 (D) 200

Last Answer : When the voltage across a battery is measured using a D.C potentiometer, the reading shows 1.08 V. But when the same voltage is measured using a Permanent Magnet Moving Coil (PMMC) voltmeter, ... resistance of the voltmeter is 1100 Ohm , the internal resistance of the battery, in Ohm , is 100

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

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

Last Answer : 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 1.34V

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

Description : In a series LCR circuit the frequency of a 10 V, AC voltage soure is adjusted in such a fashion that the reactance of the inductor meausers 15

Last Answer : In a series LCR circuit the frequency of a 10 V, AC voltage soure is adjusted in such a ... the series combination of L and Cwill be:

Description : When paralleling two AC generators, the frequency of the incoming machine immediately prior to closing its breaker should be ____________. A. controlled by placing the governor switch in the automatic ... regulator C. slightly greater than the bus frequency D. slightly less than the bus frequency

Description : The power factor at which a paralleled AC generator operates is usually adjusted by the _____________. A. connected load B. prime mover speed C. field excitation D. generator's rated voltage

Description : The frequency of an AC generator is adjusted by means of the ____________. A. main alternator field rheostat B. exciter field rheostat C. prime mover governor control D. equalizing reactor

Last Answer : For handling greater currents induction wattmeters are used in conjunction with current transformers.

Description : Any convenient co-ordinate system or Cartesian co-ordinates which can be usedto define the picture is called a.spherical co-ordinates b.vector co-ordinates c.viewport co-ordinates d.world co-ordinates

Description : By changing the dimensions of the viewport, the and ofthe objects being displayed can be manipulated. a.Number of pixels and image quality b.X co-ordinate and Y co-ordinate c.Size and proportions d.All of these

Last Answer : c.Size and proportions

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

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

Description : What is the name of the space in which the image is displayed? a.World co-ordinate system b.Screen co-ordinate system c.World window d.Interface window

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

Last Answer : a.World co-ordinate system

Description : Which of this is compulsory for 2D reflection? a.Reflection plane. b.Origin c.Reflection axis d.Co-ordinate axis.

Description : Find the co-ordinate where the equation 2x + 3y = 6 intersects x-axis. -Maths 9th

Description : Write the linear equation represented by line AB and PQ. Also find the co-ordinate of intersection of line AB and PQ. -Maths 9th

Description : Draw the graph of the equation 3x + 4y = 12 and find the co-ordinates of the points of intersection of the equation with the co-ordinate axes. -Maths 9th

Description : Draw the bar graph of linear equation whose solution are represented by the points having difference the co-ordinate as 25 units -Maths 9th

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

Last Answer : (a) $$rac{2^n}{5^n}$$In any number the last digits can 0, 1, 2, 3, 4, 5, 6, 7, 8 and 9. Therefore, the last digit of each number can be chosen in 10 ways. ∴ Exhaustive number of ways = 10n. If the ... , favourable number of ways = 4n ∴ Required probability = $$rac{4^n}{10^n}$$ = $$rac{2^n}{5^n}$$.

Description : What do you mean by Co-ordinates (Abscissa and Ordinate)? Explain with figure. -Maths 9th

Last Answer : Co-ordinate Geometry is that branch of geometry in which two numbers, called co-ordinates are used to indicate the position of a point in a plane and which make use of algebraic methods in the study of geometric figures.

Description : If (–5, 4) divides the line segment between the co-ordinate axes in the ratio 1 : 2, then what is its equation ? -Maths 9th

Last Answer : (d) x = yThe equations of the given lines are: 4x + 3y = 12 ...(i) 3x + 4y = 12 ...(ii) Solving the simultaneous equations (i) and (ii), we get$$x$$ = $$rac{12}{7}$$, y = $$rac{12}{7}$$∴ Point of the ... )isy - 0 = $$\bigg(rac{rac{12}{7}-0}{rac{12}{7}-0}\bigg)$$ (x - 0), i.e., y = x.

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

Last Answer : (a) | a | = | b | The equation of line AB, i.e., ax + by + c = 0 in intercept form is ax + by = - c⇒ $$rac{x}{\big(-rac{c}{a}\big)}$$ + $$rac{x}{\big(-rac{c}{b}\big)}$$ = 1Δ AOB is isosceles Δ if OA = OB, i.e., ... $$rac{-c}{a}$$ = $$rac{-c}{a}$$ ⇒ $$rac{1}{a}$$ = $$rac{1}{a}$$ ⇒ | a | = | b |.

Description : A particle moves along the curve 6y = x^3 + 2. Find the points on the curve at which y-co-ordinate is changing 8 times as fast as the x-co-ordinate.

Last Answer : A particle moves along the curve 6y = x^3 + 2. Find the points on the curve at which y-co-ordinate is changing 8 times as fast as the x-co-ordinate.

Description : A six co-ordinate complex has the formula CoCl_(3).5NH_(3).H_(2)O. Electrical coductance measurements indicate the presence of three ions in one for

Last Answer : A six co-ordinate complex has the formula CoCl_(3).5NH_(3).H_(2)O. Electrical coductance measurements indicate the ... complex? A. 3 B. 2 C. 4 D. 1

Description : Which of the following compounds has ionic bond. pi-bond, co-ordinate bond and covalent bond:-

Last Answer : Which of the following compounds has ionic bond. pi-bond, co-ordinate bond and covalent bond:- A. HNO_(2) B. NaNO_(3) C. KNO_(2) D. MgCl_(2)`

Description : In a cartesian co-ordinate system, the coordinates of two points P and Q are (2, 4, 4) and (-2, -3, 7) respectively

Last Answer : In a cartesian co-ordinate system, the coordinates of two points P and Q are (2, 4, 4) ... find $$\overset\longrightarrow{PQ}$$ and its magnitude.

Description : In relation to the State Government, local government exercises : (1) Co-ordinate Authority (2) Delegated Authority (3) Superior Authority (4) Independent Authority

Last Answer : (2) Delegated Authority Explanation: In the Indian context, local government has only a derivative and not an independent authority. Its powers and functions are determined by the State Legislature. So among the given options, delegated authority is the most appropriate.

Description : Mark the compound which posses ionic, covalent and co–ordinate bond:

Description : For a ternary mixture, in which equilateral triangular co-ordinate is used in leaching and extraction, a __________ of the equilateral triangular co-ordinates. (A) Binary mixture is ... Ternary mixture is represented by the sides (D) Pure component is represented by the apex

Last Answer : (D) Pure component is represented by the apex

Description : Co-ordinate coupling is an example of A. Single Degree of Freedom System B. Several Degree of Freedom System C. Two Degree of Freedom System D. None

Last Answer : C. Two Degree of Freedom System

Description : The retailer is usually in an excellent position to 1. make the most profits in the channel 2. be the channel leader 3. gain feedback from consumers 4. co-ordinate the production strategy 5. none of these

Last Answer : gain feedback from consumers

Description : In isotropic turbulence, the __________ are equal to each other. (A) Temporal velocity components (B) Mean square of velocity fluctuations in the three co-ordinate directions (C) Root mean square of velocity fluctuations in the three co-ordinate directions (D) None of these

Last Answer : (B) Mean square of velocity fluctuations in the three co-ordinate directions

Description : The orthographical projection of a traverse leg upon the reference meridian, is known as (A) Departure of leg (B) Latitude to the leg (C) Co-ordinate of the leg (D) Bearing of the leg

Last Answer : (B) Latitude to the leg

Description : The co-ordinate of a point measured perpendicular to the parallel, is called (A) Total latitude (B) Meridian distance (C) Total departure (D) Consecutive co-ordinate

Last Answer : (A) Total latitude

Description : ................ is the ability of multiple process to co-ordinate their activities by exchange of information A) Synchronization B) Mutual Exclusion C) Dead lock D) Starvation