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In the following network, and The values of and respectively are
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Important Questions on Current Electricity
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In the given electrical circuit, which one of the following equation is a correct equation?
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In the following network, the current flowing through resistance is
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In meter bridge experiment, to minimize an error due to contact resistance,
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With a resistance of in the left gap and a resistance of in the right gap of meter bridge, the balance point is obtained at from the left end. In what way and to which resistance resistance be connected to obtained the balance at from the left end?
HARD
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Two unknown resistances are connected in two gaps of a meter-bridge. The null point is obtained at from left end. A resistance is connected in series with the smaller of the two resistances, the null point shifts by to the right end. The value of smaller resistance in is
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The length of a potentiometer wire is A cell of e.m.f. is balanced at a length from the positive end of the wire. If the length of the wire is increased by , at what distance will the same cell give a balance point?
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Two wires and of equal lengths are connected in left and right gaps, of meter bridge, respectively. The null point is obtained at from left end. Diameters of the wires and are in the ratio , the ratio of specific resistance of to that of is
