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Problems with solutions

I.D	Level	Problem	Problem Topic
225	High school	In a uniform electric field of magnitude E, the field lines crosses through a rectangle of area A at an angle of 43.0 degree with respect to the plane of the rectangle . What is the magnitude of the flux through the rectangle ? Answer in terms of E and A . . . . continues Click to Purchase Solution	Electrostatics
266	High school	A skier weighing 0.80 kN comes down a frictionless ski run that is circular (R = 30 m) at the bottom as shown in the figure at “click here”. If her speed is 12 m/s at point.A . what is her speed at the bottom of the hill (point B) 17 m/s 19 m/s 18 m/s 20 m/s 12 m/s . . . continues Click to Purchase Solution	Work,Power & Energy
227	High school	Suppose that 2.00 g of hydrogen is separated into electrons and protons . Suppose also that the protons are placed at the earth's North Pole and the electrons are placed at the South Pole . What is the resulting compress ional force on the Earth ? . . . continues Click to Purchase Solution	Electrostatics
228	High school	Three point charges are located at the corners of an equilateral triangle as shown in figure at "click here" (q=3.50 micro C, L = 0.850 m) . Calculate the net electric force on the 7.00 micro C charge . . . . continues Click to Purchase Solution	Electrostatics
229	High school	Two small beads having positive charges 24q and q are fixed at the opposite ends of a horizontal insulating rod , extending from the origin (the location of the large charge )to the point x = d . As shown in the figure at "click here" , a third small charged bead is free to slide on the rod . At what position is the third bead is e . . . continues Click to Purchase Solution	Electrostatics
230	High school	An object with a net charge of 16 micro C is placed in a uniform electric field of 560 N/C , directed vertically . What is the mass of the object if it "floats" in the electric field ? . . . continues Click to Purchase Solution	Electrostatics
231	High school	A Sytrofoam ball covered with a conducting paint has a mass of 6.0 10-3 kg and has a charge of 4.2 micro C . What electric field directed upward will produce an electric force on the ball that will balance its weight ? . . . continues Click to Purchase Solution	Electrostatics
232	High school	A solid conducting sphere of radius 2.00 cm has a charge 6.00 micro C . A conducting spherical shell of inner radius 4.00 cm and outer radius 5.00 cm is concentric with the solid sphere and has a charge -3.80 micro C . Find the electric field at the following radii from the centre of this charge configuration . . . . continues Click to Purchase Solution	Electrostatics
233	High school	Electricity was once thought to be weightless fluid , an excess of which was "positive" and a deficiency of which was "negative" , What phenomena can this hypothesis still explain ? What phenomena can it not explain ? . . . continues Click to Purchase Solution	Electrostatics
234	High school	Nearly all the mass of an atom is concentrated in this nucleus . Where is its charge located ? . . . continues Click to Purchase Solution	Electrostatics

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A Unit of Tiara Impex