Keeping the potential difference constant,the resistance of a circuit is halved.the current will become, 1/4, 1/2, 2 times, half, The resistance of a conductor depends on, length of conductor, area of cross -section of conductor, nature of material and temperature, all the mentioned points, A car headlight bulb working on a 12v battery draws a current of 0.5A.The resistance of the light bulb is, 0.5ohm, 6ohm, 24ohm, 12ohm, How many joules of electrical energy are transferred per second by a 6V,0.5A lamp?, 30j/s, 12J/s, 3J/s, 6J/s, The resistance of a wire of is proportional to, square of of radius of wire, inversely proportional to square of radius, inversely proportional to radius, inversely proportional to fourth power of radius
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ELECTRICITY
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