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Problems with solutions

I.D Level Problem Problem Topic
435 High school An electron acquires 16.4 x 10^-16 J of kinetic energy when it is accelerated by an electric field from plate A to plate B . what is the potential difference between the plates and which plate is at higher potential ? . . . continues
Click to Purchase Solution		 Electrostatics
436 High school The earth produces an inwardly directed electric field of magnitude 150 V/m near its surface

(a) What is the potential of earth’s surface relative to V = 0 at r = infinite ?

(b) If the potential of earth is chosen to be zero, what is the potential at infinity ?(Ignore the fact that positive charge in the ionosphere approxim . . . continues
Click to Purchase Solution

 Electrostatics
437 High school Draw the electric field lines surrounding the negative charges a distance L apart ? . . . continues
Click to Purchase Solution		 Electrostatics
438 High school Why can lines of two force never cross ? . . . continues
Click to Purchase Solution		 Electrostatics
439 High school Consider a small positive text charge located on an electric field line at same point , such as point P as shown in the figure at "click here" . In the direction of the velocity and / or acceleration of the text change along this line ? Discuss ? . . . continues
Click to Purchase Solution		 Electrostatics
440 High school What is the net electric force on charge B as per the figure at “click here” ? . . . continues
Click to Purchase Solution		 Electrostatics
441 High school Mass m experiences a gravitational force of magnitude 10 N . On the surface of planet X , the gravitational force is 30 N . What is the magnitude of the gravitational field on the surface of the planet X ? . . . continues
Click to Purchase Solution		 Gravitation
442 High school What are the strength and direction of the electric field at the position indicated by the dot as per the figure at “click here” ? . . . continues
Click to Purchase Solution		 Electrostatics
443 High school A student gives a 0.50 m x 0.50 m sheet of tin foil a charge of 75 nC . What is the magnitude of the electric field close to the sheet ? . . . continues
Click to Purchase Solution		 Electrostatics
444 High school A plastic rod that has been charged to -15 nC touches a metal sphere . Afterwards , the rods change is o nC.

(a) What kind of charged particle was transformed between the rod and the sphere , and in which direction ? That is , did it move from the rod to the sphere or from the sphere to the rod ?

(b) How many charged particles were tr . . . continues
Click to Purchase Solution

 Electrostatics
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