If a small sphere of mass m and charge q is hungfrom a silk thread at – InterviewSolution

InterviewSolution

1.	If a small sphere of mass m and charge q is hungfrom a silk thread at an angle θ with the surface of a vertical charged conducting plate, then for equilibrium of sphere, the surface charge densityof the plate is
Answer» If a small sphere of mass m and charge q is hungfrom a silk thread at an angle θ with the surface of a vertical charged conducting plate, then for equilibrium of sphere, the surface charge densityof the plate is

Discussion

No Comment Found

Related InterviewSolutions

How. Does a electric moto work
A force of 15 N is applied on a body over a surface area of 25 m2. Calculate the pressure applied on the surface.0.6
Fill in the blanks: (a) The hotness of an object is determined by its __ __. (b) Temperature of boiling water cannot be measured by a __ __ thermometer. (c) Temperature is measured in degree ___ _. (d) No medium is required for transfer of heat by the process of ___ _. (e) A cold steel spoon is dipped in a cup of hot milk. It transfers heat to its other end by the process of __ _ _. (f) Clothes of ___ _ colours absorb heat better than clothes of light colours.
To which side does the reflecting surface of a convex mirror curve–inwards or outwards?
A straight line passing through the geometric centre of the spherical mirror and the focus is called the ____________ of the mirror.
Four students recorded the readings of the current by observing the position of the pointer on the ammeter scale given below:If there is no zero error, the correct reading of the current is :(1) 2.3 A(2) 5 A(3) 2.0 A(4) 2.05 A
State the changes in form of energy while producing hydroelectricity
What is the similarity in cyclone, tornado thunderstorm?
Question 2 (c) Mark T if the statement is true and F if it is false: We can obtain a real, enlarged and inverted image by a concave mirror.
An aeroplane flies 400 m north and 300 m east and then 1200 m upwards then net displacement is