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A metal wire 1.0mm in

why use a 3 wire system instead of a 2 wire system when wiring an electric heater with metal casingSo the metal casing can be
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2. asked by sophie
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a metal wire 1.0 mm in diameter and 2.0 m long hangs vertically with a 5.0 kg mass suspended from it. if the wire stretches 1.2
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2. asked by pat
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A circular metal wire, with a radius of 0.5 mm, has a force of 2 kN applied along it. Ifthe wire has an unstressed length of 3 m
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2. asked by Adam
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A wire has a resistance of 27.2 ohms. It is melted down, and from the same volume of metal a new wire is made that is 3 times
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2. asked by Lauren
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Two wire of circular cross-sectionA&B are made of the same metal and have equal length but the resistance of wire A is three
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2. asked by Hana
3. 137 views
An old building is being demolished by swinging a heavy metal ball from a crane. Suppose that such a 85kg ball swings from a
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2. asked by Anonymous
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A very large loop of metal wire with radius 1 meter is driven with a linearly increasing current at a rate of 200 amps/second. A
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2. asked by Sue
3. 1,138 views
A very large loop of metal wire with radius 1 meter is driven with a linearly increasing current at a rate of 200 amps/second. A
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2. asked by Aasha
3. 648 views
A very large loop of metal wire with radius 1 meter is driven with a linearly increasing current at a rate of 200 amps/second. A
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2. asked by BJ
3. 410 views
A very large loop of metal wire with radius 1 meter is driven with a linearly increasing current at a rate of 200 amps/second. A
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2. asked by C.J
3. 541 views