# what is the temperature coefficient of Resistance of conductor ?

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what is the temperature coefficient of Resistance of conductor ?

conductors have positive coefficient. means as the temperature increases resistance also increases.

## Related questions

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Description : The voltage current graph for a platinum wire conductor at temperature T1 and T2 is as shown in the figure. (Given temperature coefficient of platinum is α and R0 to the resistance of platinum wire at 0°C). The value of ( ... (\frac{2}{\alpha R_0}sin2 \theta\) (4) $$\frac{2}{\alpha R_0}cot2 \theta$$

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Description : The existing resistance of a conductor is dependent upon its length, cross-sectional area, _____________. A. temperature and insulation B. material and insulation C. resistive coefficient and material D. material and temperature

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Last Answer :  is a bad conductor of heat so only inner surface expands

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Last Answer : Problem on temperature coefficient of resistance 3

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Last Answer : Problem on temperature coefficient of resistance 2

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Last Answer : Problem on temperature coefficient of resistance 1

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Description : A semiconductor device made out of a material having very high temperature coefficient of resistance is

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Last Answer : The resistance temperature coefficient is defined as the ratio of increase in resistance per degree centigrade to the resistance at 0oC.

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Last Answer : A metal resistor has resistance of 10 ohm at 0°C and 11 ohms at 160°C, the temperature coefficient is 0.000625 /°C.

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Description : what is the temperature coefficient of Resistance of semiconductor ?

Last Answer : semiconductors have negative temperature coefficient of resistance. means as the temperature increases resistance decreases.

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Last Answer : Whenever a wave is incident on a perfect conductor then the reflection coefficient is 0.

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Description : A transmission line 1 km long is prepared from 17 kg of magnin 20°C. What is the maximum and minimum temperature within which it can operate if its resistance is to be within 0.76 Ωm of its calibrated value. Given Coefficient ... Density at 200C = 8.5 x 103 m-3 Resistively at 200C = 4.4 x 10-7 Ωm

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Description : Using the Ohm's circuit, for determination of resistnace of a wire made of an alloy of constant temperature coefficient of resistance (α) , a student obtained the resistance of the wire at 0°C, at 100°C and at t°C as ... 3.42 Ω respectively. The temperature t is (1) 60°C (2) 70°C (3) 80°C (4) 90°C

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Description : The temperature coefficient of copper is 0.004^(@)C^(-1). Find the resistance of a 5 m long copper wire of diameter 0.2 mm at 100^(@)C, if the res

Last Answer : The temperature coefficient of copper is 0.004^(@)C^(-1). Find the resistance of a 5 m long copper wire of ... 0^(@)C is 1.7xx10^(-8) Omega m.

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Description : The temperature coefficient of a resistance wire is 0.00 12.5^(@)C^(-1). At 300 K, its resistance is 1 Omega. At what temperature the resistance o

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Description : The temperature coefficient of resistance of the material of a wire is 0.00125^(@)C^(-1). Its resistance at 27^(@)C is 1 Omega. At what temperat

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Description : The temperature coefficient of resistance of an alloy used for making resistor is

Last Answer : The temperature coefficient of resistance of an alloy used for making resistor is A. small and ... C. large and positive D. large and negative

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Description : The resistance of a bulb filmanet is 100Omega at a temperature of 100^@C. If its temperature coefficient of resistance be 0.005 per .^@C, its re

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Description : When temperature rises, resistance of negative temperature coefficient thermistor A. increases B. decreases C. zero D. infinity

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Description : Which temperature coefficient indicates a material whose resistance increases as temperature increases?

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Description : Define the temperature coefficient of resistance.

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Last Answer : a. temperature coefficient of resistance

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Last Answer : Which amongst the following has a negative coefficient of temperature for resistance? Carbon

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Last Answer : A semiconductor has Negative temperature coefficient of resistance.

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Description :  The metal having the lowest temperature coefficient of resistance is

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Description : How does the resistance of a conductor compare to that of an insulator?

Last Answer : The resistance of a conductor can be significantly lower than the resistance of an insulator, depending on each material's atomic properties.

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Description : Write the four factors affecting the resistance of a conductor.

Last Answer : Factors affecting the resistance of a conductor: - 1.Physical state of a conductor 2.Length of a conductor 3.Area of cross section of a conductor 4.Resistivity of a conductor

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Description : The effective resistance of a conductor will be the same as ohmic resistance when : -  a) current is in true sine wave form b) voltage is low c) power factor is unity d) current is uniformly distributed in the conductor cross-section

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Description : At what temperature would the resistance of a copper conductor be double its resistance at 0°C.

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Last Answer : If the conductive temperature and the cross section remain unchanged, increasing the length will increase the resistance.

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Description : Why does the resistance of the conductor increase when the temperature increases ?

Last Answer : Because the vibrations of the atoms inside the conductor increase.

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Description : A platinum resistance thermometer makes use of the variation of a conductor with temperature. If the resistance of this thermometer is 5 Omega " at "

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Last Answer : Answer : The coefficient of heat is the amount of radh that increases with the increase in temperature per ohm of radh.

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Description : In a braking test, a vehicle travelling at 36 km ph was stopped at a braking distance of 8.0 m. The average value of the vehicle's skid resistance (friction coefficient) is (A) 0.64 (B) 6.25 (C) 0.16 (D) None of these

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