The resistance of rwo wires `A` and `B` at `20^@C` are `3 Omega` and `4 Omega` respectively. At what temperature will the resistance be equal ? `alpha_(A) = 6 xx 10^-3 K^(-1), alpha_(B) = 2 xx 10^-3 K^-1`. Neglect any thermal expansion.

The resistance of iron and copper wires at 20^@C are 4.1Omega and 4.3Omega respectively. At what temperature will the resistance be equal ? Temperature coefficient of resistance for iron is 5.0xx10^(-3)K^(-1) and for copper is 4.0xx10^(-3) K^(-1) . Neglect any thermal expansion.

Resistance of two wires A and B at 10^@C are 3.8 Omega and 4.0 Omega respectively . If temperature coefficient of resistance for wire A and B are 4.8 xx10^(-3) K^(-1) and 3.8 xx10^(-3)K^(-1) respectively, calculate the temperature at which resistance of both the wires are equal. Ignore thermal expansion.

The resistance of a copper wire and an iron at 20^@C are 4.1 Omega and 3.9Omega respectively. Neglecting any thermal expansion, find the temperature at which resistane of both are equal. alpha_(Cu)=4.0xx10^-3K^-1 an alpha_(Fe)=5.0xx10^-3K^-1

The resistance of a copper wire and an iron at 20^@C are 4.1 Omega and 3.9Omega respectively. Neglecting any thermal expansion, find the temperature at which resistane of both are equal. alpha_(Cu)=4.0xx10^-3K^-1 an alpha_(Fe)=5.0xx10^-3K^-1

The resistance of a copper wire and an iron at 20^@C are 4.1 Omega and 3.9Omega respectively. Neglecting any thermal expansion, find the temperature at which resistane of both are equal. alpha_(Cu)=4.0xx10^-3K^-1 an alpha_(Fe)=5.0xx10^-3K^-1

The resistances of an iron wire and a copper wire at 20^(@)C are 3.9(Omega) and 4.1(Omega) respectively. At what temperature will the resistances be equal?Temperature coefficient of resistivity for iron is 5.0xx10^(-3)K^(-1) and for copper it is 4.0xx10^(-3)k^(-1). Neglect any thermal expansion.

The resistances of an iron wire and a copper wire at 20^(@)C are 3.9(Omega) and 4.1(Omega) respectively. At what temperature will the resistances be equal?Temperature coefficient of resistivity for iron is 5.0xx10^(-3)K^(-1) and for copper it is 4.0xx10^(-3)k^(-1). Neglect any thermal expansion.

The resistances of an iron wire and a copper wire at 20^(@)C are 3.9(Omega) and 4.1(Omega) respectively. At what temperature will the resistances be equal?Temperature coefficient of resistivity for iron is 5.0xx10^(-3)K^(-1) and for copper it is 4.0xx10^(-3)k^(-1). Neglect any thermal expansion.

The resistance of a copper wire at 20^@C is 3 Omega and at 100^@ is 3.94 Omega .Determine the temperature coefficient of resistance of copper.

A wire has a resistance of 3.1 Omega at 30^@C and a resistance of 4.5 Omega at 100^@C . The temperature coefficient of the wire is equal to