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(i) The procedure of ejection of electrons from a metal surface by the application of heat is known as thermionic emission and emitted electrons are known as thermions and current flowing is known as thermion current.
(ii)Thermions have dissimilar velocities.
(iii)This was discovered by Edison
compton effect and quantum nature of light
The wedge Make a wedge from a piece of wood and drive it inside a table leg or some other heavy object. View that the wedge is a double inclined plane
An electric motor with a load delivers 5.2 hp to its shaft (1 hp = 746 W). Under these conditions, it operates at 82.8 percent efficiency. a. How much current does the motor d
Explain about the intermodal dispersion in optical fibers. Intermodal Dispersion Δτ im ) This dispersion arises even when light that is launched into the fiber is s
The P.D. at the feeder end of a two wire d.c. distributor is 600 volts. Two loads are connected to the distributor at distances of 600 feet and 1000 feet from the feeder end and t
a pendulum is timed ,first for 20 swings and then for 50 swings ; time for 20 swings = 17.4 sec and time for 50 sec = 43.2. calculate the average time per swing/
Biasing: The application of electric potential to semiconductor diode is known as Biasing.
describe young''s double slits experiments for interference of light ?
INSTANTANEOUS ACCELERATION: The acceleration of the body at any certain instant during its motion is called to be an instantaneous acceleration.
what is poission''s equation?Establish poisson''s equation for space distribution of charges.discuss its significance.
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