Description : The magnitude of the conduction current density for a magnetic field intensity of a vector yi + zj + xk will be a) 1.414 b) 1.732 c) -1.414 d) -1.732
Last Answer : b) 1.732
Description : The distance vector is obtained in a) Cartesian coordinate system b) Spherical coordinate system c) Circular coordinate system d) Space coordinate system
Last Answer : d) Space coordinate system
Description : Vector transformation followed by coordinate point substitution and vice-versa, both given the same result. Choose the best answer. a) Possible, when the vector is constant b) Possible, when the vector is variable c) Possible in all cases d) Not possible
Last Answer : a) Possible, when the vector is constant
Description : The field intensity of a charge defines the impact of the charge on a test charge placed at a distance. It is maximum at d = 0cm and minimises as d increases. State True/False a) True b) False
Last Answer : a) True
Description : What is the electric field intensity at a distance of 20cm from a charge 2 X 10 -6 C in vacuum? a) 250,000 b) 350,000 c) 450,000 d) 550,000
Last Answer : c) 450,000
Description : Find the electric field intensity of two charges 2C and -1C separated by a distance 1m in air. a) 18 X 10 9 b) 9 X 10 9 c) 36 X 10 9 d) -18 X 10 9
Last Answer : b) 9 X 10 9
Description : Gauss law can be evaluated in which coordinate system? a) Cartesian b) Cylinder c) Spherical d) Depends on the Gaussian surface
Last Answer : d) Depends on the Gaussian surface
Description : The divergence theorem for a surface consisting of a sphere is computed in which coordinate system? a) Cartesian b) Cylindrical c) Spherical d) Depends on the function
Last Answer : d) Depends on the function
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
Description : The cylindrical coordinate system is also referred to as a) Cartesian system b) Circular system c) Spherical system d) Space system
Last Answer : b) Circular system
Description : A charge is placed in a square container. The position of the charge with respect to the origin can be found by a) Spherical system b) Circular system c) Cartesian system d) Space coordinate system
Last Answer : c) Cartesian system
Description : The Cartesian system is also called as a) Circular coordinate system b) Rectangular coordinate system c) Spherical coordinate system d) Space coordinate system
Last Answer : b) Rectangular coordinate system
Description : Choose the best definition of a dipole. a) A pair of equal and like charges located at the origin b) A pair of unequal and like charges located at the origin c) A pair of equal and unlike charges separated by a small distance d) A pair of unequal and unlike charges separated by a small distance
Last Answer : c) A pair of equal and unlike charges separated by a small distance
Description : The magnitude of the Ex and Ey components are same in which type of polarisation? a) Linear b) Circular c) Elliptical d) Perpendicular
Last Answer : b) Circular
Description : Find the magnitude of the displacement current density in air at a frequency of 18GHz in frequency domain. Take electric field E as 4 units. a) 18 b) 72 c) 36 d) 4
Last Answer : d) 4
Description : The electrostatic energy in an electric field does not depend on which of the following? a) Magnitude of charges b) Permittivity c) Applied electric field d) Flux lines
Last Answer : c) Applied electric field
Description : Notes of coordinate geometry -Maths 9th
Last Answer : NEED ANSWER
Last Answer : This answer was deleted by our moderators...
Description : Coordinate Geometry Class 9th Formula -Maths 9th
Last Answer : Here, the traingle ABC is isosceles So,Angle A willbe 90°.And AB=BC therefore their angles will be equal So..90+x+x=180° 2x=90° X=45° Then angle B and angle C = 45°
Description : NCERT Solutions for class 9 Maths Chapter 3 Coordinate Geometry Exercise 3.2 -Maths 9th
Last Answer : For x + 1 = 0, we have x = -1. ∴ The zero of x + 1 is -1. (i) p(x) = x3 + x2 + x + 1 ∴ p(-1) = (-1)3 + (-1)2 + (-1) + 1 = -1 + 1 - 1 + 1 = 0 i.e. when p(x) is divided by (x + 1), then the remainder is zero. ∴ ... ] = (y - 1)[2y(y + 1) + 1(y + 1)] = (y - 1)[(y + 1)(2y + 1)] = (y - 1)(y + 1)(2y + 1)
Description : NCERT Solutions for class 9 Maths Chapter 3 Coordinate Geometry Exercise 3.1 -Maths 9th
Last Answer : 1. Find the value of the polynomial 5x - 4x2 + 3 at (i) x = 0 (ii) x = -1 (iii) x = 2 (i) ∵ p(x) = 5x - 4x2 + 3 = 5(x) - 4(x)2 + 3 ∴ p(0) = 5(0) - 4(0) + 3 = 0 - 0 + 3 = 3 Thus, the value of 5x - 4x2 ... p(x) = cx + d ∴ p(x) = 0 ⇒ cx + d = 0 or c x = -d or x = - dc Thus, a zero of cx + d is - dc.
Description : MCQ Questions for Class 9 Maths Chapter 3 Coordinate Geometry with answers -Maths 9th
Last Answer : Below you will find MCQ Questions of Chapter 3 Coordinate Geometry Class 9 Maths Free PDF Download that will help you in gaining good marks in the examinations and also cracking competitive exams ... Coordinate Geometry MCQ Questions will help you in practising more and more questions in less time.
Description : Cbqs (case base study ) of chapter 3 Coordinate Geometry of maths class 9th -Maths 9th
Last Answer : answer:
Description : Who is the father of coordinate geometry and analysis geometry ?
Last Answer : Ron Descartes (French), the father of geometry and analysis geometry.
Description : Chapter 7 Coordinate Geometry
Last Answer : Chapter 7 Coordinate Geometry
Description : The power of a wave with electric field intensity of 3 units in air is a) 0.01 b) 0.03 c) 0.05 d) 0.07
Last Answer : a) 0.01
Description : When electric potential is null, then the electric field intensity will be a) 0 b) 1 c) dA/dt d) –dA/dt
Last Answer : d) –dA/dt
Description : The line integral of the electric field intensity is a) Mmf b) Emf c) Electric potential d) Magnetic potential
Last Answer : b) Emf
Description : The electric field intensity of a field with velocity 10m/s and flux density of 2.8 units is a) 0.28 b) 28 c) 280 d) 10/2.8
Last Answer : b) 28
Description : Find the electric field intensity of a charge 2.5C with a force of 3N. a) -7.5 b) 7.5 c) 2.5/3 d) 3/2.5
Last Answer : d) 3/2.5
Description : Which quantity is solenoidal in the electromagnetic theory? a) Electric field intensity b) Electric flux density c) Magnetic field intensit d) Magnetic flux density
Last Answer : d) Magnetic flux density
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
Description : Calculate the conduction density of a material with resistivity of 0.02 units and electric intensity of 12 units. a) 300 b) 600 c) 50 d) 120
Last Answer : b) 600
Description : Find the Maxwell first law value for the electric field intensity is given by A sin wt az a) 0 b) 1 c) -1 d) A
Last Answer : a) 0
Description : The curl of the electric field intensity is a) Conservative b) Rotational c) Divergent d) Static
Last Answer : b) Rotational
Description : Find the magnetization of the material with susceptibility of 6 units and magnetic field intensity of 13 units. a) 2.16 b) 6.2 c) 78 d) 1.3
Last Answer : c) 78
Description : The line integral of the magnetic field intensity is the a) Current density b) Current c) Magnetic flux density d) Magnetic moment
Last Answer : b) Current
Description : The normal component of magnetic field intensity at the boundary of separation of the medium will be a) Same b) Different c) Negative d) Inverse
Last Answer : a) Same
Description : The tangential component of the magnetic field intensity is continuous at the boundary of separation of two media. State True/False. a) True b) False
Description : Calculate the magnetization of a material with susceptibility of 50 and field intensity of 0.25 units. a) 12.5 b) 25 c) 75 d) 37.5
Last Answer : a) 12.5
Description : Find the magnetic field intensity of a material with flux density of 24 units in air(in 10 6 order) a) 19.09 b) 21 c) 25 d) 26.78
Last Answer : a) 19.09
Description : Calculate the energy when the magnetic intensity and magnetic flux density are 15 and 65 respectively. a) 755 b) 487.5 c) 922 d) 645
Last Answer : b) 487.5
Description : Calculate the magnetic energy when the magnetic intensity in air is given as 14.2 units(in 10 -4 order) a) 1.26 b) 2.61 c) 6.12 d) 1.62
Last Answer : a) 1.26
Description : Find the vector potential when the field intensity 60x 2 varies from (0,0,0) to (1,0,0). a) 120 b) -20 c) -180 d) 60
Last Answer : b) -20
Description : Given the vector potential is 16 – 12sin y j. Find the field intensity at the origin. a) 28 b) 16 c) 12 d) 4
Last Answer : c) 12
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
Description : Find the current when the magnetic field intensity is given by 2L and L varies as 0->1. a) 2 b) 1 c) 0.5 d) 0
Last Answer : b) 1
Description : The magnetic field intensity of an infinite sheet of charge with charge density 36.5 units in air will be a) 18.25 b) 11.25 c) 73 d) 1/36.5
Last Answer : a) 18.25
Description : Find the magnetic field intensity of a toroid of turns 40 and radius 20cm. The current carried by the toroid be 3.25A. a) 103.45 b) 102 c) 105.7 d) 171
Last Answer : a) 103.45
Description : Find the magnetic field intensity at the radius of 6cm of a coaxial cable with inner and outer radii are 1.5cm and 4cm respectively. The current flowing is 2A. a) 2.73 b) 3.5 c) 0 d) 1.25
Last Answer : c) 0