Question

Two small identical spheres each of mass 1 gram and carrying same charge and is to power minus 19 coulomb are suspended methods of equal lengths if the distance between the centre of the squares is 0.3 cm and 3 cm then the inclination of head with the vertical will be

Answer 1

Answer:

Explanation:

Given Two small identical spheres each of mass 1 gram and carrying same charge 10^-9 coulomb are suspended methods of equal lengths if the distance between the centre of the squares is 0.3 cm in equilibrium then the inclination of thread with the vertical will be

T cos theta = mg

T sin theta = kq1q2 / r^2

Now dividing both the equation we get

Tan theta = kq1q2 / r^2 / mg  

= 9 x 10^9 x 10^-9 x 1000 x 1000 x 1000 / 9 x 1 x 10

Tan theta = 0.1

 So theta = tan^-1 (0.1)

Answer 2

Answer:

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