Related InterviewSolutions

• Suppose that the electric field part of an electromagnetic wave in vacuum is E={(3.1 N/C) cos [(1.8 rad/m)y+{5.4`xx10^(6)` rad/s} t]} i. What is the direction of propagation ?
• Suppose that the electric field part of an electromagnetic wave in vacuum is E={(3.1 N/C) cos [(1.8 rad/m)y+{5.4`xx10^(6)` rad/s} t]} i. What is the wavelength `lambda` ?
• Suppose that the electric field part of an electromagnetic wave in vacuum is E={(3.1 N/C) cos [(1.8 rad/m)y+{5.4`xx10^(6)` rad/s} t]} i. What is the frequency v ?
• The charging current for a capacitor is 0.6 A. What is the displacement current across its plates ?
• The figure shows a capacitor made of two circular plates each of radius 12 cm, and separated by 5.0 cm . The capacitor is beging charged by an external source (not shown in the figure. ) The charing is constant and equal to 0.15 A Obtain the displacement current across the plates.
• The figure shows a capacitor made of two circular plates each of radius 12 cm, and separated by 5.0 cm . The capacitor is beging charged by an external source (not shown in the figure. ) The charing is constant and equal to 0.15 A Calculate the capacitance and the rate of charge of potential difference between the plates.
• A parallel plate capacitor in the figure made of circular plates each of radius R=6.0 cm has a capacitance C=100 pF. The capacitor is connected to a 230 V ac supply with a (angular) frequency of 300 rad `s^(-1)` . What is the rms value of the conduction current ?
• A charged particle oscillates about its mean equilibrium position with a frequency of `10^(9)` Hz. What is the frequency of the electromagnetic waves produced by the oscillator ?
• In a plane electromagnetic wave, the electric field oscillates sinusoidally at a frequency of `2.0xx10^(10) Hz` and amplitude 48 V `m^(-1)`. What is the wavelength of the wave ?
• The amplitude of the magnetic field part of a harmonic electromagnetic wave in vacuum is `B_(0) = 510` nT. What is the amplitude of the electric field part of the wave ?