ElectrostaticsHard
Question
A horizontal electric field (E = (mg)/q) exists as shown in figure and a mass m attached at the end of a light rod. If mass m is released from the position shown in figure find the angular velocity of the rod when it passes through the bottom most position :
Options
A.
B.
C.
D.
Solution
By work energy theorem Wg + Welec = ᐃKE
mgl
+ qE × 
mv2 - 0
mgl
+ qE × mv2 - 0Create a free account to view solution
View Solution FreeMore Electrostatics Questions
Two equal and like charges when placed 5 cm apart experience a repulsive force of 0.144 newton. The magnitude of the cha...A charged oil drop is suspended in a uniform field of 3 × 104 V/m so that it neither falls nor rises. The charge on...If the electric flux entering and leaving an enclosed surface respectively is φ1 and φ2 the electric charge in...Which of the following is correct for given dig is the electric field uniformly working in + x direction....An electric dipole is placed at the centre of a sphere. Mark the correct answer :...