Coefficient of linear expnsion of material of resistor is `alpha` . Its temperature coefficient of resistivity and resistance are `alpha_(p)` and `alpha_(R)` respectively , the correct relation is .

Coefficient of linear expansion of material of resistor is alph . Its temperature coefficient of resistivity and resistance are alpha_(p) and alpha_(R ) , then correct relation is

Define the temperature coefficient of resistance of material.

At 0^(@)C the resistance of conductor of a conductor B is n times that of condoctor A temperature coefficient of resistance for A and B are alpha_(1) and alpha_(2) respectively the temperature coefficient of resistance of a circiut segment constant A and B in series

At 0^(@)C the electron of conductor of a conductor B is n times that of conductor A temperature coefficient of resistance for A and B are alpha_(1) and alpha_(2) respectively the temperature coefficient of resistance of a circuit segment constant A and B in series is

At the temperature 0^(@)C the electron of conductor B is n times that of condoctor A temperaturte coefficient of resistance are equal to alpha_(2) and alpha_(1) respectively find the resistance and A temperaturte coefficient of resistance of a segment of these two condustore when they are conected in series

At the tempearture 0^(@) C the electric resistance of conductor 2 is eta times that of conductor 1. Thier temperatures coeficients of resistance are equal to alpha_(2) and alpha_(1) respectively. Find the tempearture coefficient of resistance of a circuit segment consisting of these two conductors when they are connected (a) In series , (b) In parallel .

Two wires of resistance R_(1) and R_(2) have temperature coefficient of resistance alpha_(1) and alpha_(2) respectively. These are joined in series. The effective temperature coefficient of resistance is

Two wires of resistance R_(1) and R_(2) have temperature coefficient of resistance alpha_(1) and alpha_(2) respectively. These are joined in series. The effective temperature coefficient of resistance is

Two wires of resistance R_(1) and R_(2) have temperature coefficient of resistance alpha_(1) and alpha_(2) respectively. These are joined in series. The effective temperature coefficient of resistance is

Temperature coefficient of resistance alpha and resistivity rho of a potentiometer wire must be