Electric Current

Electric Current
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A circular loop of wire with a resistance of 1092 is in a region of spatially uniform magnetic field changing as (0.5T)exp(-2t), as shown in Fig. The
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395
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Calculate the equivalent resistance of the network between terminals A and B.
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225
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In the circuit find the resistance between terminals A and B when switch is open and closed. why both are equal?
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226
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Is it true that in a conductor having 0 ohm resistance then it doesn't need any voltage supply for the flow of electric current? And if yes then why?
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239
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What is the type of combination in driver and driven cell in potentiometer?
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214
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Two point charges 8 nC and 16 nC are placed at the corners B and C of an equilateral triangle of side 3 cm . The magnitude of the electric field at th
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384
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A galvanometer of resistance 20 ohm and full scale deflection i=10mA is to be converted into an ammeter of range o to 5A the shunt resistance required
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228
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Two charges of equal magnitudes and at a distance r exert a force F on each other. If the charges are halved and the distance between them is doubled,
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218
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What is inside the electric cell which helps in giving current to the bulb?
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252
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Three parallel-connected resistors when connected across a DC voltage source dissipate a total power of 72 W. The total current drawn is 6 A.
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308
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