Electronics - Resistance and Power

Exercise :: Resistance and Power - Filling the Blanks

1. 

A rheostat is ___.

A. a two-terminal device that controls current
B. a three-terminal device that controls current
C. a two-terminal device that divides voltage
D. a three-terminal device that divides voltage

Answer: Option A

Explanation:

No answer description available for this question. Let us discuss.

2. 

The power rating of a resistor is __________ related to __________.

A. directly, the type of cooling used
B. indirectly, the type of material used
C. directly, its surface area
D. indirectly, the color coding

Answer: Option C

Explanation:

No answer description available for this question. Let us discuss.