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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
What is the condition for resonance? Condition for resonance: The condition of frequency of the oscillatory circuit is equal to frequency of the vibrating rod as: 1/(2 Π
Can the batteries used in the torch lights be recharged after their discharge? Give reason? Ans) No,because the NH4Cl corrods the zn containger gradually.so with out anode redox
INFORMATION ABOUT PRALLEL FORCE
When the attacking species during the addition reaction is Nucleophilic, it is nucleophilic addition reaction. Ex; Acetaldehyde cynohydrin
(a) Show that the total power in a 3-phase, 3-wire system using the two-wattmeter method of measurement is given by the sum of the wattmeter readings. Draw a connection diagram.
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define the coefficient of friction
It consists of two semis circular plates. One is of quartz and other is glass plate joined together along the diameter. The quartz semi circular plate is a half wave plate whose
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