A coil is said to be loosely coupled with which of the following conditions? a) K>1 b) K<1 c) K>0.5 d) K<0.5

A coil is said to be loosely coupled with which of the following conditions?
a) K>1
b) K<1
c) K>0.5
d) K<0.5
by

1 Answer

Answer :

d) K<0.5
by

Related questions

Which of the following is correct? a) Layers are not strongly coupled to the layers above them b) Each layer is strongly coupled only to the layer immediately below it c) Overall Layered-style architectures are loosely coupled d) All of the mentioned

Description : Which of the following is correct? a) Layers are not strongly coupled to the layers above them b) Each layer is strongly coupled only to the layer immediately below it c) Overall Layered-style architectures are loosely coupled d) All of the mentioned

Last Answer : All of the mentioned

Which is considered as an emerging industry best practice for dealing with dynamic and loosely coupled trust relationships in the collaboration model of an organization in Identity and Access management a) Identity federation b) Cloud federation c) Security federation d) None of the above

Description : Which is considered as an emerging industry best practice for dealing with dynamic and loosely coupled trust relationships in the collaboration model of an organization in Identity and Access management a) Identity federation b) Cloud federation c) Security federation d) None of the above

Last Answer : Identity federation

What problem is caused in an rf amplifier by a loosely coupled transformer?

Description : What problem is caused in an rf amplifier by a loosely coupled transformer?

Last Answer : A too-narrow bandpass.

Why is the tunnel diode loosely coupled to the cavity in a tunnel-diode oscillator?

Description : Why is the tunnel diode loosely coupled to the cavity in a tunnel-diode oscillator?

Last Answer : To increase the stability.

The distributed system is a collection of (P) and communication is achieved in distributed system by (Q) , where (P) and (Q) are : (A) Loosely coupled hardware on tightly coupled software and disk sharing, respectively. (B) Tightly coupled hardware on loosely coupled software and shared memory, respectively. (C) Tightly coupled software on loosely coupled hardware and message passing ,respectively. (D) Loosely coupled software on tightly coupled hardware and file sharing, respectively.

Description : The distributed system is a collection of (P) and communication is achieved in distributed system by (Q) , where (P) and (Q) are : (A) Loosely coupled hardware on tightly ... message passing ,respectively. (D) Loosely coupled software on tightly coupled hardware and file sharing, respectively.

Last Answer : (C) Tightly coupled software on loosely coupled hardware and message passing ,respectively. 

Distributed operating systems consist of: (1) Loosely coupled O.S. software on a loosely coupled hardware (2) Loosely coupled O.S. software on a tightly coupled hardware (3) Tightly coupled O.S. software on a loosely coupled hardware (4) Tightly coupled O.S. software on a tightly coupled hardware

Description : Distributed operating systems consist of: (1) Loosely coupled O.S. software on a loosely coupled hardware (2) Loosely coupled O.S. software on a tightly coupled hardware (3) Tightly coupled O.S. software on a loosely coupled hardware (4) Tightly coupled O.S. software on a tightly coupled hardware

Last Answer : Answer: 3

Calculate the mutual inductance of two tightly coupled coils with inductances 49H and 9H. a) 21 b) 58 c) 40 d) 49/9

Description : Calculate the mutual inductance of two tightly coupled coils with inductances 49H and 9H. a) 21 b) 58 c) 40 d) 49/9

Last Answer : a) 21

Consider the conductor to be a coil of turns 60 and the flux density to be 13.5 units, current 0.12A and area 16units. The torque will be a) 1555.2 b) 1222.5 c) 525.1 d) 255.6

Description : Consider the conductor to be a coil of turns 60 and the flux density to be 13.5 units, current 0.12A and area 16units. The torque will be a) 1555.2 b) 1222.5 c) 525.1 d) 255.6

Last Answer : a) 1555.2

Find the total flux in a coil of magnetic flux density 12 units and area 7 units. a) 0.84 b) 0.96 c) 8.4 d) 9.6

Description : Find the total flux in a coil of magnetic flux density 12 units and area 7 units. a) 0.84 b) 0.96 c) 8.4 d) 9.6

Last Answer : a) 0.84

Calculate the emf when a coil of 100 turns is subjected to a flux rate of 0.3 tesla/sec. a) 3 b) 30 c) -30 d) -300

Description : Calculate the emf when a coil of 100 turns is subjected to a flux rate of 0.3 tesla/sec. a) 3 b) 30 c) -30 d) -300

Last Answer : c) -30

Calculate the emf of a coil with turns 100 and flux rate 5 units. a) 20 b) -20 c) 500 d) -500

Description : Calculate the emf of a coil with turns 100 and flux rate 5 units. a) 20 b) -20 c) 500 d) -500

Last Answer : d) -500

Find the inductance of a coil with permeability 3.5, turns 100 and length 2m. Assume the area to be thrice the length. a) 131.94mH b) 94.131mH c) 131.94H d) 94.131H

Description : Find the inductance of a coil with permeability 3.5, turns 100 and length 2m. Assume the area to be thrice the length. a) 131.94mH b) 94.131mH c) 131.94H d) 94.131H

Last Answer : a) 131.94mH

Find the emf induced in a coil of 60 turns with a flux rate of 3 units. a) -60 b) -180 c) 60 d) 180

Description : Find the emf induced in a coil of 60 turns with a flux rate of 3 units. a) -60 b) -180 c) 60 d) 180

Last Answer : b) -180

Find the energy of a coil of inductance 18mH and current passing through it 1.25A.(in 10 -3 order) a) 14.06 b) 61 c) 46.1 d) 28.12

Description : Find the energy of a coil of inductance 18mH and current passing through it 1.25A.(in 10 -3 order) a) 14.06 b) 61 c) 46.1 d) 28.12

Last Answer : a) 14.06

The inductance is the measure of a) Electric charges stored by the material b) Emf generated by energising the coil c) Magnetic field stored by the material d) Magnetization of dipoles

Description : The inductance is the measure of a) Electric charges stored by the material b) Emf generated by energising the coil c) Magnetic field stored by the material d) Magnetization of dipoles

Last Answer : c) Magnetic field stored by the material

The energy of a coil depends on the turns. State True/False. a) True b) False

Description : The energy of a coil depends on the turns. State True/False. a) True b) False

Last Answer : a) True

Find the value of divergence theorem for A = xy 2 i + y 3 j + y 2 z k for a cuboid given by 0<x<1, 0<y<1 and 0<z<1. a) 1 b) 4/3 c) 5/3 d) 2

Description : Find the value of divergence theorem for A = xy 2 i + y 3 j + y 2 z k for a cuboid given by 0

Last Answer : c) 5/3

An electric field is given as E = 6y 2 z i + 12xyz j + 6xy 2 k. An incremental path is given by dl = -3 i + 5 j – 2 k mm. The work done in moving a 2mC charge along the path if the location of the path is at p(0,2,5) is (in Joule) a) 0.64 b) 0.72 c) 0.78 d) 0.80

Description : An electric field is given as E = 6y 2 z i + 12xyz j + 6xy 2 k. An incremental path is given by dl = -3 i + 5 j – 2 k mm. The work done in moving a 2mC charge along the path if the location of the path is at p(0,2,5) is (in Joule) a) 0.64 b) 0.72 c) 0.78 d) 0.80

Last Answer : b) 0.72

Find the gradient of t = x 2 y+ e z at the point p(1,5,-2) a) i + 10j + 0.135k b) 10i + j + 0.135k c) i + 0.135j + 10k d) 10i + 0.135j + k

Description : Find the gradient of t = x 2 y+ e z at the point p(1,5,-2) a) i + 10j + 0.135k b) 10i + j + 0.135k c) i + 0.135j + 10k d) 10i + 0.135j + k

Last Answer : b) 10i + j + 0.135k

If a function is said to be harmonic, then a) Curl(Grad V) = 0 b) Div(Curl V) = 0 c) Div(Grad V) = 0 d) Grad(Curl V) = 0

Description : If a function is said to be harmonic, then a) Curl(Grad V) = 0 b) Div(Curl V) = 0 c) Div(Grad V) = 0 d) Grad(Curl V) = 0

Last Answer : c) Div(Grad V) = 0

The total current density is given as 0.5i + j – 1.5k units. Find the curl of the magnetic field intensity. a) 0.5i – 0.5j + 0.5k b) 0.5i + j -1.5k c) i – j + k d) i + j – k

Description : The total current density is given as 0.5i + j – 1.5k units. Find the curl of the magnetic field intensity. a) 0.5i – 0.5j + 0.5k b) 0.5i + j -1.5k c) i – j + k d) i + j – k

Last Answer : b) 0.5i + j -1.5k

Find the magnetic field intensity when the magnetic vector potential x i + 2y j + 3z k. a) 6 b) -6 c) 0 d) 1

Description : Find the magnetic field intensity when the magnetic vector potential x i + 2y j + 3z k. a) 6 b) -6 c) 0 d) 1

Last Answer : b) -6

Find the charge density when the electric flux density is given by 2x i + 3y j + 4z k. a) 10 b) 9 c) 24 d) 0

Description : Find the charge density when the electric flux density is given by 2x i + 3y j + 4z k. a) 10 b) 9 c) 24 d) 0

Last Answer : b) 9

If D = 2xy i + 3yz j + 4xz k, how much flux passes through x = 3 plane for which - 1<y<2 and 0<z<4? a) 12 b) 24 c) 36 d) 48

Description : If D = 2xy i + 3yz j + 4xz k, how much flux passes through x = 3 plane for which - 1

Last Answer : c) 36

Find the potential between two points p(1,-1,0) and q(2,1,3) with E = 40xy i + 20x 2 j + 2 k a) 104 b) 105 c) 106 d) 107

Description : Find the potential between two points p(1,-1,0) and q(2,1,3) with E = 40xy i + 20x 2 j + 2 k a) 104 b) 105 c) 106 d) 107

Last Answer : c) 106

Find the curl of the vector and state its nature at (1,1,-0.2) F = 30 i + 2xy j + 5xz 2 k a) √4.01 b) √4.02 c) √4.03 d) √4.04

Description : Find the curl of the vector and state its nature at (1,1,-0.2) F = 30 i + 2xy j + 5xz 2 k a) √4.01 b) √4.02 c) √4.03 d) √4.04

Last Answer : d) √4.04

Determine the divergence of F = 30 i + 2xy j + 5xz 2 k at (1,1,-0.2) and state the nature of the field. a) 1, solenoidal b) 0, solenoidal c) 1, divergent d) 0, divergent

Description : Determine the divergence of F = 30 i + 2xy j + 5xz 2 k at (1,1,-0.2) and state the nature of the field. a) 1, solenoidal b) 0, solenoidal c) 1, divergent d) 0, divergent

Last Answer : b) 0, solenoidal

Given B= (10/r)i+( rcos θ) j+k in spherical coordinates. Find Cartesian points at (- 3,4,0) a) -2i + j b) 2i + k c) i + 2j d) –i – 2k

Description : Given B= (10/r)i+( rcos θ) j+k in spherical coordinates. Find Cartesian points at (- 3,4,0) a) -2i + j b) 2i + k c) i + 2j d) –i – 2k

Last Answer : a) -2i + j

Identify the correct vector identity. a) i . i = j . j = k . k = 0 b) i X j = j X k = k X i = 1 c) Div (u X v) = v . Curl(u) – u . Curl(v) d) i . j = j . k = k . i = 1

Description : Identify the correct vector identity. a) i . i = j . j = k . k = 0 b) i X j = j X k = k X i = 1 c) Div (u X v) = v . Curl(u) – u . Curl(v) d) i . j = j . k = k . i = 1

Last Answer : c) Div (u X v) = v . Curl(u) – u . Curl(v)

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

Find a vector normal to a plane consisting of points p1(0,1,0), p2(1,0,1) and p3(0,0,1) a) –j – k b) –i – j c) –i – k d) –i – j – k

Description : Find a vector normal to a plane consisting of points p1(0,1,0), p2(1,0,1) and p3(0,0,1) a) –j – k b) –i – j c) –i – k d) –i – j – k

Last Answer : a) –j – k

A charge located at point p (5,300,2) is said to be in which coordinate system? a) Cartesian system b) Cylindrical system c) Spherical system d) Space system

Description : A charge located at point p (5,300,2) is said to be in which coordinate system? a) Cartesian system b) Cylindrical system c) Spherical system d) Space system

Last Answer : b) Cylindrical system

Find the potential between a(-7,2,1) and b(4,1,2). Given E = (-6y/x 2 )i + ( 6/x) j + 5 k. a) -8.014 b) -8.114 c) -8.214 d) -8.314 View Answ

Description : Find the potential between a(-7,2,1) and b(4,1,2). Given E = (-6y/x 2 )i + ( 6/x) j + 5 k. a) -8.014 b) -8.114 c) -8.214 d) -8.314 View Answ

Last Answer : c) -8.214

Transform the spherical system B = (10/r)i + (10cos θ)j + k into cylindrical form at (5, π/2, -2) a) 2.467i + j + 1.167k b) 2.467i – j + 1.167k c) 2.467i – j – 1.167k d) 2.467i + j – 1.167k

Description : Transform the spherical system B = (10/r)i + (10cos θ)j + k into cylindrical form at (5, π/2, -2) a) 2.467i + j + 1.167k b) 2.467i – j + 1.167k c) 2.467i – j – 1.167k d) 2.467i + j – 1.167k

Last Answer : a) 2.467i + j + 1.167k

A material with zero resistivity is said to have a) Zero conductance b) Infinite conductance c) Zero resistance d) Infinite resistance

Description : A material with zero resistivity is said to have a) Zero conductance b) Infinite conductance c) Zero resistance d) Infinite resistance

Last Answer : c) Zero resistance

When curl of a path is zero, the field is said to be conservative. State True/False. a) True b) False

Description : When curl of a path is zero, the field is said to be conservative. State True/False. a) True b) False

Last Answer : a) True

The lines of force are said to be a) Real b) Imaginary c) Drawn to trace the direction d) Not significant

Description : The lines of force are said to be a) Real b) Imaginary c) Drawn to trace the direction d) Not significant

Last Answer : c) Drawn to trace the direction

When a potential satisfies Laplace equation, then it is said to be a) Solenoidal b) Divergent c) Lamellar d) Harmonic

Description : When a potential satisfies Laplace equation, then it is said to be a) Solenoidal b) Divergent c) Lamellar d) Harmonic

Last Answer : d) Harmonic

The mathematical perception of the gradient is said to be a) Tangent b) Chord c) Slope d) Arc

Description : The mathematical perception of the gradient is said to be a) Tangent b) Chord c) Slope d) Arc

Last Answer : c) Slope

A field has zero divergence and it has curls. The field is said to be a) Divergent, rotational b) Solenoidal, rotational c) Solenoidal, irrotational d) Divergent, irrotational

Description : A field has zero divergence and it has curls. The field is said to be a) Divergent, rotational b) Solenoidal, rotational c) Solenoidal, irrotational d) Divergent, irrotational

Last Answer : b) Solenoidal, rotational

The magnetic field intensity is said to be a) Divergent b) Curl free c) Solenoidal d) Rotational

Description : The magnetic field intensity is said to be a) Divergent b) Curl free c) Solenoidal d) Rotational

Last Answer : c) Solenoidal

A vector is said to be solenoidal when its a) Divergence is zero b) Divergence is unity c) Curl is zero d) Curl is unity

Description : A vector is said to be solenoidal when its a) Divergence is zero b) Divergence is unity c) Curl is zero d) Curl is unity

Last Answer : a) Divergence is zero

Justify electromagnetic wave is said to be transverse wave.

Description : Justify electromagnetic wave is said to be transverse wave. 

Last Answer : Transverse electromagnetic wave:- The electromagnetic waves are oscillations which propagate through free space. In electromagnetic waves the direction of electric field, magnetic field & propagation are ... electric field vector with respect to the surface (i.e. looking at the horizon) 

The current element of the magnetic vector potential for a surface current will be a) J dS b) I dL c) K dS d) J dV

Description : The current element of the magnetic vector potential for a surface current will be a) J dS b) I dL c) K dS d) J dV

Last Answer : c) K dS

Find the flux density B when the potential is given by x i + y j + z k in air. a) 12π x 10 -7 b) -12π x 10 -7 c) 6π x 10 -7 d) -6π x 10 -7

Description : Find the flux density B when the potential is given by x i + y j + z k in air. a) 12π x 10 -7 b) -12π x 10 -7 c) 6π x 10 -7 d) -6π x 10 -7

Last Answer : b) -12π x 10 -7

Find the magnetic flux density of the material with magnetic vector potential A = y i + z j + x k. a) i + j + k b) –i – j – k c) –i-j d) –i-k

Description : Find the magnetic flux density of the material with magnetic vector potential A = y i + z j + x k. a) i + j + k b) –i – j – k c) –i-j d) –i-k

Last Answer : b) –i – j – k

For a function given by F = 4x i + 7y j +z k, the divergence theorem evaluates to which of the values given, if the surface considered is a cone of radius 1/2π m and height 4π 2 m. a) 1 b) 2 c) 3 d) 4

Description : For a function given by F = 4x i + 7y j +z k, the divergence theorem evaluates to which of the values given, if the surface considered is a cone of radius 1/2π m and height 4π 2 m. a) 1 b) 2 c) 3 d) 4

Last Answer : b) 2

Find the value of Stoke’s theorem for A = x i + y j + z k. The state of the function will be a) Solenoidal b) Divergent c) Rotational d) Curl free

Description : Find the value of Stoke’s theorem for A = x i + y j + z k. The state of the function will be a) Solenoidal b) Divergent c) Rotational d) Curl free

Last Answer : d) Curl free

Find the value of Stoke’s theorem for y i + z j + x k. a) i + j b) j + k c) i + j + k d) –i – j – k

Description : Find the value of Stoke’s theorem for y i + z j + x k. a) i + j b) j + k c) i + j + k d) –i – j – k

Last Answer : d) –i – j – k

Find the curl of the vector A = yz i + 4xy j + y k a) xi + j + (4y – z)k b) xi + yj + (z – 4y)k c) i + j + (4y – z)k d) i + yj + (4y – z)k

Description : Find the curl of the vector A = yz i + 4xy j + y k a) xi + j + (4y – z)k b) xi + yj + (z – 4y)k c) i + j + (4y – z)k d) i + yj + (4y – z)k

Last Answer : d) i + yj + (4y – z)k