Maxwell's equations, EM spectrum, displacement current.
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Q1 · Electromagnetic Waves (Class 12) · MEDIUM
The displacement current through a circular region of radius 1 cm is 0.1 A. The rate of change of electric field in this region is:
Q2 · Electromagnetic Waves (Class 12) · EASY
Which of the following electromagnetic waves has the shortest wavelength?
Q3 · Electromagnetic Waves (Class 12) · HARD
A parallel plate capacitor with circular plates of radius 5 cm is being charged such that the electric field between the plates changes uniformly at the rate of 10^12 V/m·s. The magnetic field at a point 3 cm from the axis between the plates is:
Q4 · Electromagnetic Waves (Class 12) · EASY
The frequency of electromagnetic wave which best suits for radar systems used in aircraft navigation is