SureDen
(4) Series LR circuit
V = (V
Alternating Current-An alternating current (i) is one whose magnitude changes continuously with time between zero and a maximum value and whose dire
Average Power in an AC circuit
Watt less circuits
Circuits containing pure inductance or capacitors or their combination consume zero power on the average due to there zero powe
Average Value of AC
It is that steady DC which would send same amount of charge as is sent by AC when both are allowed to flow independently for half the time period of AC.
Relation b/w Average AC and Peak AC
I = dq/dt
dq = I
Cyclotron: It is a device used to accelerate charged particles like protons, deuterons, α particles, etc. to very high energies.
Prin
(i) The metallic parts of machinery are never subjected to a stress beyond elastic limit, otherwise they will get permanently deformed.
(ii) The thickness of the me
Phase Diagrams
(1) PURE RESISTANCE
Half Power Frequencies and Band width
RMS or virtual or Effective value of AC
It is that steady DC which would produce same amount of heat as is produced by AC when both are allowed to flow in dependently through the same circuit for same time ‘t’.
Relation between R
PRE Board E
It is a device which works on AC. It is used to increase as decrease the magnitude of alternate voltage as alternating current.
Principle :-
Inflorescence
Behaviour of AC with different components
(1) Pure Resistance
I = e/R
I = e0sinωt/R &
Impedance Triangle --> A triangle which gives the relation between reactance ,resistance and Impedance is known as Impedance triangle
Choke Coil
FLOW OF AC THROUGH A CONDUCTOR
P = Vrms Irms cosθ
The term cosθ is known as Power Factor and
(1) Elasticity : The property of matter by virtue of which a body tends to regain its original shape and size after the removal of deforming force is called e
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