Define unit vector and give its physical significance.

Define unit vector and give its physical significance.
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Define unit vector and give its physical significance.
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Description : What is the significance of vector grouping in Power Transformers?

Last Answer : Every power transformer has a vector group listed by its manufacturer. Fundamentally it tells you the information about how the windings are connected (delta or wye) and the phase difference between the ... Delta primary, Wye Secondary and the current is at 11 o clock referred to the voltage.

What is the significance of vector grouping in Power Transformers?

Description : What is the significance of vector grouping in Power Transformers?

Last Answer : A: Every power transformer carries a vector group listed by its manufacturer. Fundamentally it tells you the information about how the windings are connected (delta or wye) and the phase difference between ... Delta primary, Wye Secondary and the current is at 11 o clock referred to the voltage.

What is the significance of vector grouping in Power Transformers?

Description : What is the significance of vector grouping in Power Transformers?

Last Answer : Answer:Every power transformer has a vector group listed by its manufacturer. Fundamentally it tells you the information about how the windings are connected (delta or wye) and the phace difference betweent ... Delta primary, Wye Secondry and the current is at 11 o clock reffered to the voltage.

What is the significance of vector grouping in Power Transformers?

Description : What is the significance of vector grouping in Power Transformers?

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Define Variation and its types. Also give its significance and sources?

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What is the physical significance of Carl ?

Description : What is the physical significance of Carl ?

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What is the physical significance of wave function?

Description : What is the physical significance of wave function?

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What is the physical significance of Planck's constant?

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Description : State with reasons, whether the following algebraic operations with scalar and vector physical quantities are meaningful.

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Quantities that describe both magnitude & direction  a. Physical Quantity  b. Scalar Quantity  c. Vector Quantity  d. None of the above

Description : Quantities that describe both magnitude & direction  a. Physical Quantity  b. Scalar Quantity  c. Vector Quantity  d. None of the above

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The electric intensity is a: (a) Scalar quantity (b) Vector quantity (c) Physical quantity (d) None of above

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Which among the following is false about work? (1) If displacement is zero, work is zero (2) Work done can be negative (3) It is a vector quantity (4) Its unit is Joule

Description : Which among the following is false about work? (1) If displacement is zero, work is zero (2) Work done can be negative (3) It is a vector quantity (4) Its unit is Joule

Last Answer : (3) It is a vector quantity Explanation: Vector, in physics, a quantity that has both magnitude and direction. For example, displacement, velocity, and acceleration are vector quantities, while speed (the magnitude of velocity), time, and mass are scalars.

A 55-year-old renal transplant patient has been hospitalized in a Surgical Intensive Care Unit, receiving a prolonged course of antibiotics following an attack of acute cholecystitis. The following statement(s) is/are true concerning his management. a. Due to the potential risk of Candida infection, prophylaxis with oral nystatin should be instituted early in the patient’s course b. A Candida urinary tract infection should be treated with systemic amphotericin B c. Changes of Candida retinitis are of little significance d. The presence of a virulent Candida bacteremia should suggest a dosage reduction in immunosuppressive agents until the infection can be adequately controlled

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Last Answer : Answer: a, d Infections due to fungal pathogens have become increasingly common during the past decade, frequently occurring in patients undergoing prolonged hospitalization in the Surgical ... agents should be discontinued until evidence of infection is absolutely controlled or is eradicated

Explain Unit Vector.

Description : Explain Unit Vector.

Last Answer : In kinematics, a unit vector is a vector with a magnitude of 1. It is a vector that has been normalized, meaning it has been divided by its own magnitude, resulting in a vector that points in ... for analyzing the motion of an object in space and for determining how an object is moving and rotating.

The unit vector in the direction of the line is defined as . a.tangent vector+length of the line b.tangent vector-length of the line c.tangent vector/length of the line d.length of the line/tangent vector

Description : The unit vector in the direction of the line is defined as . a.tangent vector+length of the line b.tangent vector-length of the line c.tangent vector/length of the line d.length of the line/tangent vector

Last Answer : c.tangent vector/length of the line

In homogeneous coordinates value of ‘h’ is consider as 1 & it is called….. a.Magnitude Vector b.Unit Vector c.Non-Zero Vector d.Non-Zero Scalar Factor

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Last Answer : d.Non-Zero Scalar Factor

If `hat(a), hat(b) and hat(c)` are unit vector inclined to each other at an angle of `pi/3` then the absolute value of `[hat(a)+hat(b) hat(b)+hat(c) h

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Last Answer : If `hat(a), hat(b) and hat(c)` are unit vector inclined to each other at an angle of `pi/3` then the ... A. `sqrt2` B. `sqrt3` C. `3sqrt2` D. `2sqrt3`

The expression 1/√2 (i + j) is a  (A) unit vector  (B) null vector  (C) vector of magnitude  (D) scalar

Description : The expression 1/√2 (i + j) is a  (A) unit vector  (B) null vector  (C) vector of magnitude  (D) scalar

Last Answer : The expression 1/√2 (i + j) is a (A) unit vector (B) null vector (C) vector of magnitude √2 (D) scalar

If A + B = A - B then vector B must be  (A) zero vector  (B) unit vector  (C) Non zero vector  (D) equal to vector A

Description : If A + B = A - B then vector B must be  (A) zero vector  (B) unit vector  (C) Non zero vector  (D) equal to vector A

Last Answer : If A + B = A - B then vector B must be (A) zero vector (B) unit vector (C) Non zero vector (D) equal to vector A

P = i + 2k and Q = 2i + j -2k are two vectors, find the unit vector parallel to P x Q.

Description : P = i + 2k and Q = 2i + j -2k are two vectors, find the unit vector parallel to P x Q.

Last Answer : P = i + 2k and Q = 2i + j -2k are two vectors, find the unit vector parallel to P x ... find the vector perpendicular to P and Q of magnitude 6 units.

i and j are unit vectors along X-axis and Y-axis respectively. What is the magnitude and direction of the vector i + j and i - j?

Description : i and j are unit vectors along X-axis and Y-axis respectively. What is the magnitude and direction of the vector i + j and i - j?

Last Answer : i and j are unit vectors along X-axis and Y-axis respectively. What is the magnitude and direction of the ... directions of (i + j) and (i - j)?

Find a unit vector in the direction of the vector 3i + 4j.

Description : Find a unit vector in the direction of the vector 3i + 4j.

Last Answer : Find a unit vector in the direction of the vector 3i + 4j.

Find unit vector parallel to the resultant of the vectors A = i + 4j - 2k and B = 3i - 5j + k.

Description : Find unit vector parallel to the resultant of the vectors A = i + 4j - 2k and B = 3i - 5j + k.

Last Answer : Find unit vector parallel to the resultant of the vectors \(\overset\rightarrow{A}\) = i + 4j - 2k and \(\overset\rightarrow{B}\) = 3i - 5j + k.

Find the vector that should be added to the sum of (2i - 5j + 3k) and (4i + 7j - 4k) to give a unit vector along the X-axis.

Description : Find the vector that should be added to the sum of (2i - 5j + 3k) and (4i + 7j - 4k) to give a unit vector along the X-axis.

Last Answer : Find the vector that should be added to the sum of (2i - 5j + 3k) and (4i + 7j - 4k) to give a unit vector along the X-axis.

Show that vector A = (i - j)/√2 is a unit vector.

Description : Show that vector A = (i - j)/√2 is a unit vector.

Last Answer : Show that \(\vec{A} = \frac{\hat{i} - \hat{j}}{\sqrt{2}}\) is a unit vector. vector A = (i - j)/√2

The magnitude of vector product of two unit vectors making an angle of 60° with each other is

Description : The magnitude of vector product of two unit vectors making an angle of 60° with each other is

Last Answer : The magnitude of vector product of two unit vectors making an angle of 60° with each other is (A) 1 (B) 2 (C) 3/2 (D) √3/2

The vectors of the electromagnetic wave propagation can be expressed in a) Dot product b) Cross product c) Unit vector d) Perpendicular vector

Description : The vectors of the electromagnetic wave propagation can be expressed in a) Dot product b) Cross product c) Unit vector d) Perpendicular vector

Last Answer : b) Cross product

Find the magnetic field when the magnetic vector potential is a unit vector. a) 1 b) -1 c) 0 d) 2

Description : Find the magnetic field when the magnetic vector potential is a unit vector. a) 1 b) -1 c) 0 d) 2

Last Answer : c) 0

Calculate the polarisation vector of the material which has 100 dipoles per unit volume in a volume of 2 units. a) 200 b) 50 c) 400 d) 0.02

Description : Calculate the polarisation vector of the material which has 100 dipoles per unit volume in a volume of 2 units. a) 200 b) 50 c) 400 d) 0.02

Last Answer : a) 200

Find the Gauss value for a position vector in Cartesian system from the origin to one unit in three dimensions. a) 0 b) 3 c) -3 d) 1

Description : Find the Gauss value for a position vector in Cartesian system from the origin to one unit in three dimensions. a) 0 b) 3 c) -3 d) 1

Last Answer : b) 3

The distance vector can be used to compute which of the following? a) Dot product b) Cross product c) Unit normal vector d) Area

Description : The distance vector can be used to compute which of the following? a) Dot product b) Cross product c) Unit normal vector d) Area

Last Answer : c) Unit normal vector

The unit vector to the points p1(0,1,0), p2(1,0,1), p3(0,0,1) is a) (-j – k)/1.414 b) (-i – k)/1.414 c) (-i – j)/1.414 d) (-i – j – k)/1.414

Description : The unit vector to the points p1(0,1,0), p2(1,0,1), p3(0,0,1) is a) (-j – k)/1.414 b) (-i – k)/1.414 c) (-i – j)/1.414 d) (-i – j – k)/1.414

Last Answer : a) (-j – k)/1.414

Define Respiration? Also describe its significance?

Description : Define Respiration? Also describe its significance?

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Define power factor. State its significance. What is the condition for unity power factor ?

Description : Define power factor. State its significance. What is the condition for unity power factor ? 

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Define the terms free energy and free enthalpy. What is their significance and importance ?

Description : Define the terms free energy and free enthalpy. What is their significance and importance ?

Last Answer : Free energy (or Helmholtz function) is defined as/= u -Ts. It is equal to the work during a constant-volume isothermal reversible nonflow process. Free enthalpy (or Gibbs function) is ... for reversible constant-pressure isothermal nonflow processes, change in free energy is equal to net work.

Define the terms free energy and free enthalpy. What is their significance and importance ?

Description : Define the terms free energy and free enthalpy. What is their significance and importance ?

Last Answer : Free energy (or Helmholtz function) is defined as/= u -Ts. It is equal to the work during a constant-volume isothermal reversible nonflow process. Free enthalpy (or Gibbs function) is ... or for reversible constant-pressure isothermal nonflow processes, change in free energy is equal to net work.

Define about mitochondrial DNA. What is the forensic significance of mtDNA.

Description : Define about mitochondrial DNA. What is the forensic significance of mtDNA.

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Define CBR and write the significance of CBR .

Description : Define CBR and write the significance of CBR . 

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Define route sheet. Explain a route sheet in detail. Also state significance of it.

Description : Define route sheet. Explain a route sheet in detail. Also state significance of it.

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Define measurement and state the significance of electrical measurement system.

Description : Define measurement and state the significance of electrical measurement system.

Last Answer : Measurement: Measurement is essentially a process in which magnitude of a quantity is determined in comparison with another similar quantity with significant units. OR The measurement of a given ... x) The measurement conforms the validity of hypothesis and also adds to its understanding.

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 : 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

Last Answer : d.world co-ordinates

Define and explain vector product of two vectors with suitable examples.

Description : Define and explain vector product of two vectors with suitable examples.

Last Answer : Define and explain vector product of two vectors with suitable examples.

Define and explain the following terms:  i. Zero vector (Null vector)  ii. Resultant vector  iii. Negative vectors iv. Equal vectors 

Description : Define and explain the following terms:  i. Zero vector (Null vector)  ii. Resultant vector  iii. Negative vectors iv. Equal vectors 

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Define Routing. What is distance vector routing?

Description : Define Routing. What is distance vector routing?

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Define Scalar and Vector quantity.

Description : Define Scalar and Vector quantity. 

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Explain Reynold’s number with its equation and give significance.

Description : Explain Reynold’s number with its equation and give significance.

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Give a reason for the significance of irrigation in : 1. Punjab. 2. Rajasthan. -Geography

Description : Give a reason for the significance of irrigation in : 1. Punjab. 2. Rajasthan. -Geography

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What is the significance of icons? Give the example of any three types of icons. -Technology

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Give the significance of <math.h> and <stdio.h> header files.

Description : Give the significance of and header files.

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