Chapter 8 – Electromagnetic Waves
Assume that a radio station is about 200 km away from your location and the station operates at 972 kHz. How long does it take for an electromagnetic signal to travel from the station to you and how many wave crests does it send out per second ?
04
Sep
Assume that a radio station is about 200 km away from your location and the station operates at 972 kHz. How long does it take for an electromagnetic signal to travel from the station to you and how many wave crests does it send out per second ? If the kinetic energy of a particle [...]
The magnetic field of a beam emerging from a filter facing a flood light as given by B=12×10^−8 sin(1.20×10^7 z−3.6×10^15 t) The average intensity of the beam is
04
Sep
The magnetic field of a beam emerging from a filter facing a flood light as given by B=12×10^−8 sin(1.20×10^7 z−3.6×10^15 t) The average intensity of the beam is The magnetic field of a beam emerging from a filter facing a flood light as given by B=12×10^−8 sin(1.20×10^7 z−3.6×10^15 t) The average intensity of the beam [...]
Instantaneous displacement current of 1.0 A in the space between the parallel plates of 1 uF capacitor can be established by changing potential difference of:
04
Sep
Instantaneous displacement current of 1.0 A in the space between the parallel plates of 1 uF capacitor can be established by changing potential difference of: Instantaneous displacement current of 1.0 A in the space between the parallel plates of 1 uF capacitor can be established by changing potential difference of: September 4, 2021 Category: Chapter [...]
The amplitude of the electric field of a plane electromagnetic wave in air is 6.0 x 10^(-4) Vm^(-1). The amplitude of the magnetic field will be:
04
Sep
The amplitude of the electric field of a plane electromagnetic wave in air is 6.0 x 10^(-4) Vm^(-1). The amplitude of the magnetic field will be: The amplitude of the electric field of a plane electromagnetic wave in air is 6.0 x 10^(-4) Vm^(-1). The amplitude of the magnetic field will be: September 4, 2021 [...]
A parallel plate capacitor of plate separation 2 mm is connected in an electric circuit having source voltage 400 V. If the plate area is 60 cm^3 then the value of displacement current for time period of 10^−6 sec will be
04
Sep
A parallel plate capacitor of plate separation 2 mm is connected in an electric circuit having source voltage 400 V. If the plate area is 60 cm^3 then the value of displacement current for time period of 10^−6 sec will be If the kinetic energy of a particle is increased by 9 times the percentage [...]
Find the value of magnetic field between plates of capacitor at a distance 1m from centre, where electric field varies by 10^10V/m per second.
04
Sep
Find the value of magnetic field between plates of capacitor at a distance 1m from centre, where electric field varies by 10^10V/m per second. Find the value of magnetic field between plates of capacitor at a distance 1m from centre where electric field varies by 10^10V/m per second. September 4, 2021 Category: Chapter 8 - [...]