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The maximum kinetic energy of emitted photoelectrons in a photoelectric cell is 7.5X10-19 J. What is the stopping 

A narrow coil of 10 turns and area 4×10^-2m^2 is placed in a uniform magnetic field of flux density of 10^-2T so that the flux links the turns normally .calculate the accurate induced EMF in the coil if it is removed completely from the field in 0.55seconds

Let the charge q and -q be placed alternatively along the x-axis at position x=2m,x=3m,x=5m and x=8 m.what is the electric field at x=0 due to these changes?

A 50Uf capacitor Is connected across 230v 50hz supply calculate the reactance offer by the capacitor


Charges tend to move "downhill" in potential. "Yes" or "No".


Show that this rearranges to q/m=v/BR


find the radius of the path of 35cl- ions in such a machine if v=3.0kv and b=3.0t

An electric flied is given by x^3kN/C.find the potential difference between the point on the x axis at x=1m and x=2m

What is the net electric force acting on the +200 uC charge?


Find the electric potential at a distance 0f 8cm from 7.58pC charge.



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