0.1. What is Biot-Savart's law?
02. What do you understand by reflection and refraction of E.M. waves
03. What is Displacement Current?
0.4. Define the Kirchhoff's Laws
Q.S. What are Electromagnetic Waves?
Answers
Answer:
Q.1
specifically electromagnetism, the Biot–Savart law is an equation describing the magnetic field generated by a constant electric current. It relates the magnetic field to the magnitude, direction, length, and proximity of the electric current.
Q.2
Reflection is the abrupt change in the direction of propagation of a wave that strikes the boundary between two different media. At least some part of the incoming wave remains in the same medium. Assume the incoming light ray makes an angle θi with the normal of a plane tangent to the boundary.
Q.3
a limited shifting of electric components that occurs within a dielectric when a voltage is applied to or removed from it (as in charging or discharging a capacitor) and that corresponds to the current in the circuit supplying the voltage.
Q.4
two laws concerning electric networks in which steady currents are flowing. The first law states that the algebraic sum of the currents in all the conductors that meet in a point is zero. The second law states that the algebraic sum of the products of current and resistance in each part of any closed path in a network is equal to the algebraic sum of the electromotive forces in the path.
Q.5
Electromagnetic waves or EM waves are waves that are created as a result of vibrations between an electric field and a magnetic field. In other words, EM waves are composed of oscillating magnetic and electric fields.
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