Two resistors with temperature coefficients of resistance and have resistances and at

PHYSICS · Multi-part · A Level · Physics · Electricity · Electricity

Problem

Two resistors with temperature coefficients of resistance

\alpha_1

and

\alpha_2

have resistances

R_{01}

and

R_{02}

0^\circ\text{C}

. Find the temperature coefficient of the compound resistor consisting of the two resistors connected: (a) In series (b) In parallel.