A pendulum bob of mass 80mg and carrying a charge of `2xx 10^(-8)C` is at rest in a uniform, horizontal electric field of 20k `Vm^-1.` Find the tension in the thread.

A pendulum bob of mass 80mg and carrying a charge of 2 times10^(-4) coulomb is at rest in a uniform horizontal electric field of 20kV/m .The tension in the thread of the pendulum is x times 10^(-4) N.Find value of x?

A pendulum bob of mass m = 80 mg, carrying a charge of q=2xx10^(-8)C , is at rest in a horizontal, uniform electric field of E = 20,000 V/m. The tension T in the thread of the pendulum and the angle alpha it makes with vertical, is (take g=9.8m//s^(2) )

A pendulum bob of mass 30.7 xx 10^(-6)kg and carrying a chargee 2 xx 10^(-8)C is at rest in a horizontal uniform electric field of 20000V//m . The tension in the thread of the pendulum is (g = 9.8 m//s^(2))

A pendulum bob of mass 80 mg and carrying charge of 3 xx 10 ^(-8) C is placed in an horizontal electric field. It comes to equilibrium position at an angle of 37^@ with the vertical. Calculate the intensity of electric field. (g = 10 m//s^2 )

The bob of a simple pendulum has mass 2g and a charge of 5.0muC . It is at rest in a uniform horizontal electric field of intensity 2000V//m . At equilibrium, the angle that the pendulum makes with the vertical is: (take g=10m//s^(2) )

A uniform electric field of 3xx10^4 N/C is applied iin a horizontal direction . A pendulum bob of mass 90 mg and carrying a charge of 1.5xx10^(-8) C is suspended through a string of length 1m. Calculate tension developed in the string and the angle made by the string with the vertical .

A pendulum bob of mass m charge q is at rest with its string making an angle theta with the vertical in a uniform horizontal electric field E. The tension in the string in

A particle of mass 6.4xx10^(-27) kg and charge 3.2xx10^(-19)C is situated in a uniform electric field of 1.6xx10^5 Vm^(-1) . The velocity of the particle at the end of 2xx10^(-2) m path when it starts from rest is :

A pendulum bob has mass 4 mg and carrieas a charge 2xx10^(-9) coulomb. It hangs in equilibrium from a massless thread of length 50 cm whose other end is fixed to a vertical wall. A horizontal electtic field of inetensity 20000 V/m exists in space. Calculate a. Angle made by the thread with the vertical b. Tension in the thread

A simple pendulum has a bob of mass m which carries a charge q on it. Length of the pendulum is L. There is a uniform electric field E in the region. Calculate the time period of small oscillations for the pendulum about its equilibrium position in following cases: (i). E is vertically down having magnitude E=(mg)/(q) (ii). E is vertically up having magnitude E=(2mg)/(q) (iii). E is horizontal having magnitude E=(mg)/(q) (iv). E has magnitude of E=q and is directed upward making an angle 45^(@) with the horizontal