When 50 V is applied to four series resistors, 100 A flows. If R1 ...

[awywial]

When 50 V is applied to four series resistors, 100 A flows. If R1 = 12 k, R2 = 47 k and R3 = 56 k, what is the value of R4?
 
  A) 385 k B) 38.5 k C) 3.85 M D) 3.85 k

Question 2

Based upon electron current flow, the polarity on the side of the resistor where current enters is ________. The polarity on the side of the resistor where current exits is ________.
 
  A) positive, negative B) negative, negative C) positive, positive D) negative, positive

[allisonblackmore]

Answer to Question 1

A

Answer to Question 2

D

[awywial]

Excellent

[yeungji]

TYSM