Electronics - Resistance and Power

Exercise : Resistance and Power - Filling the Blanks
1.
A rheostat is ___.
a two-terminal device that controls current
a three-terminal device that controls current
a two-terminal device that divides voltage
a three-terminal device that divides voltage
Answer: Option
Explanation:
No answer description is available. Let's discuss.

2.
The power rating of a resistor is __________ related to __________.
directly, the type of cooling used
indirectly, the type of material used
directly, its surface area
indirectly, the color coding
Answer: Option
Explanation:
No answer description is available. Let's discuss.