A coil consists of 100 turns of wire in shape of circle placed in the y-z plane. The loop has an area of 1m? Two magnetic fields linking the surface of the loop: The first one is given by: B1 = -10äť? The second one is B2 = 20isin(2w)t Are B1 and B2 dynamic or static: Select one: O a. B1 and B2 are dynamic O b. Bị and B2 are static O c. Bị is dynamic and B, is static O d. B1 is static and B2 is dynamic
Ampere Circuital Law
Ampere's Law states that "for any closed loop path, the sum of the length elements times the magnetic field in the direction of the length element is equal to the permeability times the electric current enclosed in the loop.”
Current Density
To design the electrical and electronic system, the current density is an important factor. The designer current level is the factor on which the circuit performance depends and with the help of the dimensions of the conducting current the current density is then determined. For instance, despite the lower current demanded by smaller devices as integrated circuits are reduced in size, there is a type of trend in achieving the higher device number in even smaller chip areas. The current density is increased in this region at higher frequencies because the conducting region in a wire becomes confined and this is known as the skin effect. The consequences increase as the current densities become higher.
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