ElectrostaticsHard
Question
A charge 10 esu is placed at a distance of 2 cm. from a charge 40 esu and 4 cm. from another charge − 20 esu. The potential energy of the charge 10 esu is : -(In ergs)
Options
A.87.5
B.112.5
C.150
D.zero
More Electrostatics Questions
In the electric field of charge Q, another charge is carried from A to B, A to C, A to D and A to E, then work done will...Which of the following is true for the figure showing electric lines of force ? (E is electrical field, V is potential)...Three positive chages of equal value q are placed at the vertices of an equal equuilateral triangle. The resulting lines...A parallel plate air capacitor is connected to a battery. The quantities charge, voltage electric field and energy assoc...Using mass (M), length (L), them (T) and current (A) as fundamental quantities, the dimension of permittivity is :...