Electronics - Resistance and Power
Exercise :: Resistance and Power - General Questions
6.
How is a 3.9 k resistor color-coded?
A.
red, white, red, gold B.
red, green, orange, silver C.
orange, white, red, gold D.
orange, green, orange, silver
Answer: Option C
Explanation:
7.
What resistor type is found in SIPs and DIPs?
A.
metal film B.
wirewound C.
metal oxide D.
thick film
Answer: Option D
Explanation:
8.
Ohm's law is not:
Answer: Option C
Explanation:
9.
What are the two major categories for resistors?
A.
low and high ohmic value B.
commercial and industrial C.
low and high power value D.
fixed and variable
Answer: Option D
Explanation:
10.
How many connections does a potentiometer have?
Answer: Option C
Explanation:
A potentiometer uses three connections, as opposed to a rheostat, which only employs two. Having three connections allows the potentiometer to vary voltage. Both the potentiometer and the rheostat are classified as variable resistors.