The electrons in a particle beam each have a kinetic energy of 1.6×10−7J. What are the magnitude and direction of the electric field that stops these electrons in a distance of 10.0cm
View Solution
Q3
Find the emf and internal resistance of the equivalent cell between A and B. put ε1 =3V, r1=2Ωε2=2V,r2=1Ω. ε3=6V, r3=1Ω
View Solution
Q4
Find v, if 3v8−5v=−3(89+6v)+12v.
View Solution
Q5
The magnetic field in a travelling electromagnetic wave has a peak value of 20 nT. The peak value of electric field strength is