The resistivity of a copper rod 50 ft. long and 0.25 inch in diameter is 1.76 microhm-cm at 20°
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A: Given; Ri=0.1 ΩRf=0.25×0.1=0.025 ΩT=20° Cα=0.0038 /°C
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A: The solution can be achieved as follows.
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A: Given, R1=2.5 Ωd2=d12l2=l14ρ2=25ρ1 For silver wire, R1=ρ1l1A1 For manganin wire, R2=ρ2l2A2
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A: Given:- T1=50oCT2=170oCR1=50 Ωαo=0.004264/CoThen αT1=?and R2=?
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Q: DETERMINE THE RESISTANCE OF 600 FT LENGTH OF #10 AWG COPPER WIRE
A: Given, Length of copper wire, l=600 ft=600×304.8 mm=182880 mm For 10 AWG, diameter d=2.59 mm
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- Describe briefly the method a dry cell battery uses to produce voltage.Semiconductors are ____________. conductors insulators half conductors none of the aboveA copper wire has a resistance of 0.85 ohm at 200C. What will be its resistance at 400C ? Temperature coefficient of resistance of copper at 00C is 0.004/0C.
- The resistance of a copper wire is 125 ohms at 100°C. Determine the resistance at 70°C10) A certain batch of copper wire was found to have a conductivity of 98% at 20°C. What is its resistivity in un-cm? 11) The resistance of a copper at 30°C is 500. If the temperature coefficient of copper at 0°C is 0.00427. What is the resistance at 100°C?The resistance of a copper wire is (0.92 0) at a temperature of (4 oC). At what temperature will be resistance be (1.06 Q)?
- The resistance of wire increases from 40 – ohm at 20 0C to 50 – ohm at 70 0C. Find the temperature coefficient of resistance at 0 0C.Ques 1(a). A copper wire has a resistance of 0.85Q at 20°C. What will be its resistance at 40°C? The temperature coefficient of resistance of copper at 0°C is 0.004°℃.8. The resistance of a copper at 30°C is 50 ohms. If the temperature coefficient of copper at 0°C is 0.00427. What is the resistance at 100°C? 9. A wire has a resistance R are cut into 2 pieces and the small pieces are connect in parallel resulting to a total resistance of 2 ohms. What is the value of R?
- Some copper wire has a resistance of 200 at 20 ° C . A current is passed through the wire and the temperature rises to 90 ° C . Determine the resistance of the wire at 90 ° C , correct to the nearest ohm , assuming that the temperature coefficient of resistance is 0.004 / C at 0 ° CThe resistance of a copper wire is (0.92 N) at a temperature of (4 oC). At what temperature will be resistance be (1.06 Q)?nichrome ribbon resistor elements each has a resistance of 1 ohm. the element is made from sheet of nichrome alloy, 0.025 cm thick. if the width 9f the ribbon is 0.3 cm , what is the length is required per element? assume specific resistance of nichrome alloy to be 10g micro ohm-cm