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qUESTIONS

Calculate the electric field due to a charge of -8.0×10^-8 C at a distance of 5.0 cm from it.

The electric field in a region is given by E=5.0K N/C . Calculate the electric flux Through a square of side 10.0 cm in the following cases (i) the square is along the XY plane (ii) The square is along XZ plane (iii) The normal to the square makes an angle of 45° with the Z axis

Three equal charges of 10×10-8 C respectively, each located at the corners of a right triangle whose sides are 15 cm, 20cm and 25cm respectively. Find the force exerted on the charge located at the 90° angle

A potential difference of 5000 volt is applied between two parallel plates 5cm a part a small oil drop having a charge of 9.6 ×10^-19 C falls between the plates. Find (a) electric field intensity between the plates and (b) the force on the oil drop

Two charge 5μC and -4μC are kept 5.0 m apart at points A and B respectively. How much work will have to be done to move the charge at A through a distance of 5.0 m further away from point B along the line BA

Four charges of +6×10^-8 C each are placed at the corners of a square whose sides a are 3 cm each. Calculate the resultant force on each charge and shows in direction an a diagram drawn to scale.

An electric dipole of length 2.0 cm is placed with its axis making an angle of 30° with a uniform electric field of 10^5 N/C. as shown in figure. If it experiences a torque of 10√3 Nm, calculate the magnitude of charge on the dipole.

Two small spheres 18 cm apart have equal negative charges and repel each other with the force of 6×10^-8 N. Find the total charge on both spheres

Three point charges are placed at the vertices of a right isosceles triangle as shown in the Fig. a. What is the magnitude and direction of the resultant electric field at point P which is the mid point of its hypotenuse?

A simplified model of hydrogen atom consists of an electron revolving about a proton at a distance of 5.3×10^-11m. The charge on a proton is +1.6×10^-19 C. Calculate the intensity of the electric field due to proton at this distance.

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