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The figure shows two identical parallel plate capacitors connected to a battery with the switch S closed. The switch is now opened and the free space between the plates of the capacitors is filled with a dielectric of dielect ...
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A parallel plate capacitor is connected to a battery. The quantities charge, voltage, electric field and energy associated with this capacitor are given as Q0, V0, E0 and U0 respectively. A dielectric slab is now introduced t ...
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A parallel plate capacitor of capacitance C is connected to a battery and is charged to a potential difference V. Another capacitor of capacitance 2C is similarly charged to a potential difference 2V. The charging battery is ...
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Two identical capacitors, have the same capacitance C. One of them is charged to potential V1 and the other to V2. The negative ends of the capacitors are connected together. When the positive ends are also connected, the dec ...
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A parallel plate capacitor is charged and the charging battery is then disconnected. If the plates of the capacitor are moved further apart by means of insulating handles ...
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*Image* find the equivalent capacitance between A and B ...
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*Image* The equivalent capacitance between A and B is 1μF The value of C is ...
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Seven capacitors each of capacitance 2μF are to be connected in a configuration to obtain an effective capacitance of (10/11)μF. Which of the combination shown in the figure will achieve the desired result? ...
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*Image* find the equivalent capacitance between A and B all capacitors are of capacitance C ...
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Given the capacitance of each capacitor C, find the equivalent capacitance between A and B *Image* ...
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The capacitance of a parallel plate capacitor with plate area A and separation d is C. The space between the plates is filled with two wedges of dielectric constants K1 and K2 respectively. The capacitance of the resulting ca ...
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A parallel plate capacitor of plate area A and separation d is charged to potential difference V and then the battery is disconnected. A slab of dielectric constant K is then inserted between the plates of capacitor so as to ...
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A dielectric slab of thickness d is inserted in a parallel plate capacitor whose negative plate is at x=0 and positive plate at x=3d. The slab is equidistant from the plates. The capacitor is given some charge. As x g ...
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A parallel plate capacitor of area A, plate separation d and capacitance C is filled with three different dielectric materials having dielectric constants k1, k2 and k3 as shown. If the single dielectric material is to be use ...
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Two parallel plate capacitors of capacitances C and 2C are connected in parallel and charged to a potential difference to V. The battery is then disconnected and the region between the plates of the capacitor C is completely ...
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The capacitance of a parallel plate capacitor with plate area A and separation d is C. The space between the plates is filled with two wedges of dielectric constants K1 and K2 respectively. The capacitance of the resulting ca ...
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A parallel plate capacitor of plate area A and separation d is charged to potential difference V and then the battery is disconnected. A slab of dielectric constant K is then inserted between the plates of capacitor so as to ...
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A dielectric slab of thickness d is inserted in a parallel plate capacitor whose negative plate is at x=0 and positive plate at x=3d. The slab is equidistant from the plates. The capacitor is given some charge. As x g ...
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A parallel plate capacitor of area A, plate separation d and capacitance C is filled with three different dielectric materials having dielectric constants k1, k2 and k3 as shown. If the single dielectric material is to be use ...
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Two parallel plate capacitors of capacitances C and 2C are connected in parallel and charged to a potential difference to V. The battery is then disconnected and the region between the plates of the capacitor C is completely ...
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Two copper spheres of same radii one hollow and other solid are charged to same potential then ...
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The magnitude of electric field in the annular region of a charged cylindrical capacitor, ...
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A parallel plate capacitor (Area A and distance d) is initially charged to potential difference V. Keeping the charge constant, the separation between the plates is increased by l. The new pot. diff. is ...
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Two identical metal plates are given positive charge Q1 and Q2 (<Q1). If they are now brought close together to form a parallel plate capacitor with capacitance C, the potential difference between them is ...
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Five identical capacitor plates, each of area A, are arranged such that adjacent plates are at a distance d apart, the plates are connected to a source of emf V as shown in figure. The charge on plate 4 is *Image* ...
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Two fixed, equal, positive charges, each of magnitude 5×10-5 C are located at point A and B separated by a distance 6 m. An equal and opposite charge moves towards them along the line COD, the perpendicular bisector of the l ...
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Three point charges q, 2q and 8q are to be placed on a 9 cm long straight line. coordinates of the ends of line are (0,0) and (9,0). For minimum potential energy the coordinates of the charges are (in order of q, 2q, 8q) ...
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Two equal negative charges -q are fixed at points (0,a) and (0,-a) on the y-axis. A positive charge Q is released from rest at the point (2a,0) on the x-axis. The charge Q will ...
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Three charges Q, +q and -q are placed at the vertices of a right-angled isosceles triangle as shown. The net electrostatic energy of the configuration is zero if Q is equal to *Image* ...
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Two point charges +q and -q are held fixed at (-d,0) and (d,0) respectively of a x-y coordinate system. Then ...
asked2009-04-15 21:12:46