Resistance of a resistor at temperature `t^@C is R_t =R_0 (1+alphat + betat^2)`, where `R_0` is the resistance at `0^@C`. The temperature coeffcient of resistance at temperature `t^@C` is

Resistance of a resistor at temperature t^@C is R_t =R_0 (1+alphat + betat^2) , where R_0 is the resistance at 0^@C . The temperature coefficient of resistance at temperature t^@C is

Resistance of a resistor at temperature t^(@)C is R_(f)=R_(0)(1+alpha t+beta t^(2)) . Here R_(0) is the resistance at 0^(@)C .The temperature coefficient of resistance at temperature t^(@)C is

Resistance of a wire at temperature t^(@)C is R=R_(0)(1+at+bt^(2)) Here, R_(0) is the temperature at 0^(@)C . Find the temperature coefficient of resistance at temperature t is

[" Temperature of a resistance at "],[" temperature "t^(0)C" is "R=R_(0)(1+at+bt^(2))" ."],[" Here "R_(0)" is the temperature at "0^(0)C" ,the "],[" temperature coefficient of resistance at "],[" temperature "t" is: "]

The resistances of a wire at temperatures t^(@)C and 0^(@)C are releated by

The resistance of a copper wire is 20 Omega at 0^@C . Find the resistance at 60^@C if the temperature coefficient of resistance of material is 0.004//^@C .

The resistance of a platinum wire at 0^@ C is 4 Omega . What will be the resistance of the wire at 100^@ C if the temperature coefficient of resistance of platinum is 0.0038 //^@ C .

The resistance R of a conducting wire depends on its material , length l and area of cross section A. The resistivity of the material of the wire is rho=(RA)/t the value of rho is for different materials .It is very low for conducting materials like metals,Besides, the resistance of a conductor also depends on its temperature. IF the resistance of a conductor is R_0 at 0^@C and R_1 at t^@C , then R_1=R_0(1+at) where a is called the temperature coefficient of resistance. The resistance increases with temperature for metallic conductors but decreases for graphite,a few metal alloys,and for semiconductors like silicon and germanium. The temperature coefficient of resistance of a semiconductor is

The resistance R of a conducting wire depends on its material , length l and area of cross section A. The resistivity of the material of the wire is rho=(RA)/l the value of rho is for different materials .It is very low for conducting materials like metals,Besides, the resistance of a conductor also depends on its temperature. IF the resistance of a conductor is R_0 at 0^@C and R_1 at t^@C , then R_1=R_0(1+at) where a is called the temperature coefficient of resistance. The resistance increases with temperature for metallic conductors but decreases for graphite,a few metal alloys,and for semiconductors like silicon and germanium. The length of this metal wire is doubled by stretching .What will be the change in its resistance?

The resistance R of a conducting wire depends on its material , length l and area of cross section A. The resistivity of the material of the wire is rho=(RA)/t the value of rho is for different materials .It is very low for conducting materials like metals,Besides, the resistance of a conductor also depends on its temperature. IF the resistance of a conductor is R_0 at 0^@C and R_1 at t^@C , then R_1=R_0(1+at) where a is called the temperature coefficient of resistance. The resistance increases with temperature for metallic conductors but decreases for graphite,a few metal alloys,and for semiconductors like silicon and germanium. The temperature of this new wire is again raised from 10^@C to 110^@C The percentage increase of his resistance would be