Positive point charge `q=+8.00muC and q'=+3.00muC` are moving relative to an observer in Fig. The distance d is 0.120m. When the two charges are at the locations shown in the figure, what are the magnitude and direction of the net magnetic field they produce at point P? `(Take v=4.50xx10^6ms^-1 and v'=9.00xx10^6ms^1)`

Calculate the magnitude and direction of the electric field at a point P which is 30 cm to the right of a point charge Q = -3.0 xx 10^(-6) C

Calculate the magnitude and direction of the electric field at a point P which is 30 cm to the right of a point charge Q = -3.0 xx 10^(-6) C

Two positive point charges q_1=16muC and q_2=4muC are separated in vacuum by a distance of 3.0m . Find the point on the line between the charges where the net electric field is zero.-

Two positive point charges q_1=16muC and q_2=4muC are separated in vacuum by a distance of 3.0m . Find the point on the line between the charges where the net electric field is zero.-

A point charge q is moving with speed v perpendicular to magnetic field B as shown in figure. Explain what should be the magnitude and direction of the applied electric filed so that the net force acting on the charge is zero.

Shown in the figure four point charges at the corners of a square of side 2 cm. Find the magnitude and direction of the electric field at the centre O of the square, if Q = 0.02 muC Use 1/(4piepsilon_0) = 9 xx 10^9 N m^2 C^-2

In Fig., the three particles are fixed in place and have charges q_(1) = q_(2) = +5e and q_(3) = +2e . Distance a = 3.00 mu m . What are the (a) magnitude and (b) direction of the net electric field at point P due to the particles ?

Two point charge q_A=3muC and q_b=-3muC are located 20 cm apart in vacuum. If a negative test charge of magnitude 1.5xx10^(-9)C is placed at the point, what is the force experienced by the test charge ?

A +6muC point charge is moving at a constant velocity of 8xx10^6 ms^-1 in the +y direction, relative to a reference frame. At the instant when the point charge is at the origin of this reference frame, what is the magnetic field vector it produces at the following points? (a) x=0.500m, y=0, z=0, and (b) x=0, y=-0.500m, z=0 .