MTG NEET Physics
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 [...]
A parallel-plate capacitor with plate area A and separation between the plates d, is charged by a constant current i. Consider a plane surface of area A/2 parallel to the plates and drawn simultaneously between the plates. Find the displacement current through this area.
04
Sep
A parallel-plate capacitor with plate area A and separation between the plates d, is charged by a constant current i. Consider a plane surface of area A/2 parallel to the plates and drawn simultaneously between the plates. Find the displacement current through this area. A parallel plate capacitor with plate area A and separation between [...]
Figure shows a capacitor made of two circular plates each of radius 10 cm, and separated by 5.0 cm. The capacitor is being charged by an external source (not shown in the figure). The charging current is constant and equal to 0.25A. Calculate the capacitance and the rate of change of potential difference between the plates.
04
Sep
Figure shows a capacitor made of two circular plates each of radius 10 cm, and separated by 5.0 cm. The capacitor is being charged by an external source (not shown in the figure). The charging current is constant and equal to 0.25A. Calculate the capacitance and the rate of change of potential difference between the [...]