Chapter 8 – Electromagnetic Waves
A beam of light travelling along x-axis is described by the magnetic field, B_z = 5.2 x 10^-9T sin omega (t-x/c). The maximum electric forces on alpha particle moving along y-axis with a speed of 3×10^7m/s, is n x 10^-19 N. The value of n is (charge on electron =1.6×10^-19C)
04
Sep
A beam of light travelling along x-axis is described by the magnetic field, B_z = 5.2 x 10^-9T sin omega (t-x/c). The maximum electric forces on alpha particle moving along y-axis with a speed of 3×10^7m/s, is n x 10^-19 N. The value of n is (charge on electron =1.6×10^-19C) A beam of light travelling [...]
A light beam travelling in the x-direction is described by the electric field : E_(y) = 270 “sin” omega(t-(x)/(c)) V/m^1. An electron is constrained to move along the y-direction with a speed of 2.0×10^(7) “ms”^(-1). The maximum electric force and maximum magnetic force on the electron are
04
Sep
A light beam travelling in the x-direction is described by the electric field : E_(y) = 270 “sin” omega(t-(x)/(c)) V/m^1. An electron is constrained to move along the y-direction with a speed of 2.0×10^(7) “ms”^(-1). The maximum electric force and maximum magnetic force on the electron are Suppose that the electric field part of an [...]
A laser beam has intensity 2.5 × 10^14 W m^-2 . The amplitudes of electric and magnetic fields in the beam respectively are
04
Sep
A laser beam has intensity 2.5 × 10^14 W m^-2 . The amplitudes of electric and magnetic fields in the beam respectively are A laser beam has intensity 2.5 × 10^14 W m^-2 . The amplitudes of electric and magnetic fields in the beam respectively are September 4, 2021 Category: Chapter 8 - Electromagnetic Waves [...]
A plane electromagnetic wave in the visible region is moving along the Z-direction. The frequency of the wave is 0.5×10^(15) Hz and the electric field at any point is varying sinusoidally with time with an amplitude of 1V/m. The average value of energy densities of the electric and magnetic fields respectively are
04
Sep
A plane electromagnetic wave in the visible region is moving along the Z-direction. The frequency of the wave is 0.5×10^(15) Hz and the electric field at any point is varying sinusoidally with time with an amplitude of 1V/m. The average value of energy densities of the electric and magnetic fields respectively are Suppose that the [...]
In a region of free space during the propagation of electromagnetic wave, the electric field at some instant of time is vecE = (90 i + 40 j – 70 k) NC ^(-1) and the magnetic field is vecB =(0.18 i + 0.08 j + 0.30 k) uT. The poynting vector for these field is
04
Sep
In a region of free space during the propagation of electromagnetic wave, the electric field at some instant of time is vecE = (90 i + 40 j – 70 k) NC ^(-1) and the magnetic field is vecB =(0.18 i + 0.08 j + 0.30 k) uT. The poynting vector for these field is [...]
A plane electromagnetic wave moving through free space has an electric field (also referred to as optical field) given by Ex = 0, Ey = 0 and Ez = 10 sin [ 8 pie x 10^14 ( t – x/3×10^8)]V m^-1 The corresponding for density is
04
Sep
A plane electromagnetic wave moving through free space has an electric field (also referred to as optical field) given by Ex = 0, Ey = 0 and Ez = 10 sin [ 8 pie x 10^14 ( t – x/3×10^8)]V m^-1 The corresponding for density is A plane electromagnetic wave moving through free space has [...]
Imagine an Electromagnetic plane wave in vacuum whose E-Field (In SI Units) Is given By E1 = 10^3 sin pie (3 x 10^6 z – 9 x 10^14t); Ey = 0; Ez = 0. The frequency and wavelength will be
04
Sep
Imagine an Electromagnetic plane wave in vacuum whose E-Field (In SI Units) Is given By E1 = 10^3 sin pie (3 x 10^6 z – 9 x 10^14t); Ey = 0; Ez = 0. The frequency and wavelength will be Imagine an Electromagnetic plane wave in vacuum whose E-Field (In SI Units) Is given By [...]
Suppose that the electric field part of an electromagnetic wave in vacuum is E={(5.1 N/C) cos [(1.6 rad/m)y+{9.4 x 10^(6) rad/s} t]} i. Write an expression for the magnetic field part of the wave .
04
Sep
Suppose that the electric field part of an electromagnetic wave in vacuum is E={(5.1 N/C) cos [(1.6 rad/m)y+{9.4 x 10^(6) rad/s} t]} i. Write an expression for the magnetic field part of the wave . Suppose that the electric field part of an electromagnetic wave in vacuum is E={(5.1 N/C) cos [(1.6 rad/m)y+{9.4 x 10^(6) [...]
A circular ring of radius r is placed in a homogeneous magnetic field perpendicular to the plane of the ring. The field B changes with time according to the equation B=kt where K is constant and r is the time. The electric field in the ring is:
04
Sep
A circular ring of radius r is placed in a homogeneous magnetic field perpendicular to the plane of the ring. The field B changes with time according to the equation B=kt where K is constant and r is the time. The electric field in the ring is: The average electric field of electromagnetic waves in [...]
A parallel plate capacitor consists of two circular plates each of radius 2 cm, separated by a distance of 0.1 mm. If Voltage across the plates is varying at the rate of 5×10^13 V/s, then the value of displacement current is
04
Sep
A parallel plate capacitor consists of two circular plates each of radius 2 cm, separated by a distance of 0.1 mm. If Voltage across the plates is varying at the rate of 5×10^13 V/s, then the value of displacement current is A parallel plate capacitor consists of two circular plates each of radius 2 cm [...]