A heating element has a resistance of 100 `Omega` at room temperature. When it is connected to a supply of 220 V, a steady current of 2A passes in it and temperature is `500^(@)C` more than room temperature. What is the temperature coefficient of resistance of the heating element ?

The resistance of a conductor at 15^(@)C is 16 Omega and at 100^(@)C is 20 Omega . What will be the temperature coefficient of resistance of the conductor ?

A wire has a resistance of 3.1 Omega at 30°C and a resistance 4.5 Omega at 100°C. The temperature coefficient of resistance of the wire

A wire has resistance of 2.0 Omega at 25^@ C and 2.5 Omega at 100^@ C . Calculate the temperature coefficient of resistance of the wire.

The heating element of an electirc toaster is of nichrome. When a vary small current passes through it, at room temperrature 27^@C , its resistance is 75.3Omega . When toaster is connected to a 230V supply, the current settles after a few seconds to a steady value of 2.68A. What is the steady temperature of nichrome element? The temperature coefficient of resistance of nichrome over averged temperature range is 1.7xx10^(-4)^(@)C^(-1) .

The resistance of wire in a heater at room temperature is 65Oemga . When the heater is connected to a 220V supply the current settles after a few seconds to 2.8A. What is the steady temperature of the wire. (Temperature coefficient of resistance alpha=1.70xx10^(-4) ^(@).C^(-) )

The resistance of wire in a heater at roo temeperature is 65Oemga . When the heater is connected to a 220V supply the current settles after a few seconds to 2.8A. What is the steady temperature of the wire. (Temperature coefficient of resistance alpha=1.70xx10^(-4) ^(@).C^(-) )

A wire has a resistance of 2.0 Omega at 25^[o)C and 2.5 Omega at 100^(o)C . Find temperature coefficient of resistance of the wire?

An electric toaster uses nichrome for its heating element. When a negligibly small current passes through it. It resistance at room temperature (27.0^@C) is found to be 75.3Omega . When the toaster is connected to a 230 V supply, the current settles, after a few seconds, to a steady value of 2.68 A . What is steady temperature of the nichrome element? The temperature coefficient of resistance of nichrome averaged over the temperature range involved , 1.70xx10^-4C^-1

An electric toaster uses nichrome for its heating element. When a negligibly small current passes through it. It resistance at room temperature (27.0^@C) is found to be 75.3Omega . When the toaster is connected to a 230 V supply, the current settles, after a few seconds, to a steady value of 2.68 A . What is steady temperature of the nichrome element? The temperature coefficient of resistance of nichrome averaged over the temperature range involved , 1.70xx10^-4C^-1