Two fixed resistors of and are connected in series with a variable resistor

PHYSICS · Subjective · A Level · Physics · Electricity · Electricity

Problem

Two fixed resistors of

3.5\,\Omega

and

2.5\,\Omega

are connected in series with a variable resistor

R

. If the total resistance of the circuit is

12\,\Omega

, determine the value of

R

.

Related theory

Browse the problem library