Author Question: A 1.2 k resistor is placed across an 18-V source. The minimum acceptable power rating for the ... (Read 162 times)

dalyningkenk · **on:** Jul 22, 2018

A 1.2 k resistor is placed across an 18-V source. The minimum acceptable power rating for the resistor is

A) 2 W B) 1 W C) 1/2 W D) 1/4 W

Question 2

A series circuit consists of two fixed resistors of 47 k and 68 k, and a 100 k potentiometer. To provide a total resistance of 150 k, the potentiometer must be set to

A) 35 k B) 100 k C) 25 k D) 0 k