What is current divider
What is current divider A current divider is defined as a linear circuit that produces an output current that is a fraction of its input current. This is achieved through …
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Electric Currents & Ohm’s Law – Effect of Temperature on Resistance
Effect of Temperature on Resistance The effect of rise in temperature is : (i) to increase the resistance of pure metals. The increase is large and fairly regular for normal …
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Electric Currents & Ohm’s Law – Units of Resistivity Example 8 Question : The resistance of the wire used for telephone is 35 Ω per kilometer when the weight of the …
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Electric Currents & Ohm’s Law – Units of Resistivity example 7 Question : The resistivity of a ferric-chromium-aluminium alloy is 51 × 10−8 Ω-m. A sheet of the material is 15 …
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Electric Currents & Ohm’s Law – Units of Resistivity example 6 Question : A piece of silver wire has a resistance of 1 Ω. What will be the resistance ofmanganin …
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Electric Currents & Ohm’s Law – Units of Resistivity example 5 Question : A lead wire and an iron wire are connected in parallel. Their respective specific resistances are in the ratio …
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Electric Currents & Ohm’s Law – Units of Resistivity example 4 Question : Calculate the resistance of 1 km long cable composed of 19 stands of similar copper conductors, each strand …
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Electric Currents & Ohm’s Law – Units of Resistivity example 3 Question : (a) A rectangular carbon block has dimensions 1.0 cm × 1.0 cm × 50 cm. (i) What is …
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Electric Currents & Ohm’s Law – Units of Resistivity example 2 Question : An aluminium wire 7.5 m long is connected in a parallel with a copper wire 6 m …
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