Question
What is the function of component 2 in figure T-1?
Answer Options
- A) Give off light when current flows through it
- B) Supply electrical energy
- C) Control the flow of current
- D) Convert electrical energy into radio waves
Correct Answer: C
Explanation
Item 1 is a resistor, 2 is a transistor, 3 is a lamp, 4 is battery, and 5 is a ground reference. A transistor is a component that controls the flow of current between two terminals based on either current or voltage on a third terminal.
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