A heating element using nichrome connected to a 230V supply draws an initial current of 3.2 A which settles after a few seconds to a steady value of 2.8A. What is the steady temperture of the heating element if the heating the room temperature is `27.0^(@)C`? Temperature coefficient of resistance of nichrome averaged over the temperature range involved is `1.70 xx 10^(-4) .^(@)C^(-1)`.

An electric toaster uses nichrome for its heating element. When a negligibly small current passes through it, its resistance at room temperature (27.0^(@)C) is found to be 75.3 Omega . 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 the steady temperature of the nichrome element? The Temperature coefficient of resistance of nichrome averaged over the temperature range involved is 1.70 xx 10^(-4) .^(@)C^(-1) .

At room temperature (27.0^(@)C) the resistance of a heating element is 100 Omega . What is the temperature of the element if the resistance is found to be 117 Omega , given that the temperature coefficeint of the material of the resistor is 1.70 xx 10^(-4) .^(@)C^(-1)

A wire has a resistance of 2.5Omega at 100^(@)C . Temperature coefficient of resistance of the material alpha=3.6xx10^(-3)K^(-1) . Find its resistance at 0^(@)C .

A wire has a resistance of 2.5 Omega at 100^@ C. Temperature coefficient of resistance of the material alpha = 3.6 xx 10^(-3) K^(-1) at 25^@ C. Find its resistance at 25^@ C .

When subjected to a voltage of 10 V, the current through a resistor at a temperature of 40^@C is 0.1 A. The temperature coefficient of resistance of the material of the resistor is 2 xx 10^(-4) ""^@C . The temperature of the resistor in ""^@C when the current drops to 0.098 A is