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a) Spin motion of electrons
b) On the basis of spin and orbital motion of electrons
c) These are feebly attracted in an external magnetic field i.e., have a tendency to go from low to high field region
d) These get weekly magnetized in the direction of applied magnetic field
e) Liquid level in that limb arises up
f) The gas expands in the direction of magnetic field.
g) B > B0
Rectifier: Rectifier is a device that converts all alternating current or voltage into direct current or voltage is known as rectifier
Discuss the Factor affecting limiting current.
Q. How much should be the voltage of an X-ray tube so that the electrons emitted from the cathode may give an X-ray of wavelength 1 A o after striking the target? λmin = 124
The time needed for a net force of 10 newtons to change the velocity of a 5 kilograms mass by 3 meters/second is: a) 1.5 seconds b) 6 seconds c) 16.7 seconds d
The discharge over a triangular notch can be written as Q = (8/15) Cd (2g)0.5 tan(θ/2) H5/2 If an error of 1% in measuring H is introduced determine the corresponding error
Each plate of a parallel plat capacitor has area 15 cm 2 and is being charged. The time rate of variation of electric field between the two plates of the capacitor is 12.6 x 10 9
Barrier potential in a P-N junction is caused by (A) Thermally generated electrons and holes. (B) Diffusion of majority carriers across the junction. (C) Migration
Define Coulombs Law Coulomb's Law: The magnitude of the electric force among two electric point charges is proportional to the product of the two charges (Q1 and Q2) separated
Paschen series: The series that describes the emission spectrum of hydrogen while the electron is jumping to the third orbital. All lines are in the infrared portion of the sp
define like and unlike parallel forces with examples
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