Resistance and Power - Technical MCQs
Q1: How many connections does a potentiometer have?A
1
B
2
C
3
D
4
ANS:C - 3 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. |
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