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In an ideal transformer , the no. of turns in primary & secondary are 200 & 1000 respectively .If power input to primary is 10kW at 200V.Calculatei)output voltageii)current in primaryAns) NP/NS = VP/VS200/1000 = 200/VP ; Vp = 1000V P=IV; 10000=200*II = 50 A
new ideas for physics projects ?
Q. The work function of a metal surface is 1.8 eV. Compute the threshold wavelength. Work function W = hγ o = h C / λ 0 λ 0 = h C / W = 6.626 X 10 -34 X 3 X 10 8
How can we calculate the rate of effusion of nitrogen gas from a cylinder. and how much time it will take??
The decrease of mass is related to the binding of the individual particles together inside the nucleus. Therefore every stable nucleus has a mass which is less than the total ma
as flux = E.A and flux density is equal to flux/A then why A/A cannot e cancelled ?
GYROSCOPES: PRINCIPLES Gyroscopes are rotating masses (usually cylindrical in form) which are deliberately employed because of the particular properties which they demonst
Determine the average kinetic energy of each type of molecule? A cylinder contains a mixture of helium and argon gas in equilibrium at temperature of 149°C. (a) What is the a
Explain Constant current system Constant current system : - In this process, the charging current is kept constant by varying the supply voltage to overcome the enhanced back
a lead bullet moves horizontally with a velocity of 130ms and embedded into a cement wall after collision. if the specific heat capacity of lead = 130J/KgC and all heat produces is
retardation?
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