Switch is a device that connects and disconnects the flow of electric current in a circuit. Which of the following is not a type of switch?
The Correct Answer and Explanation is:
Question:
Which of the following is not a type of switch?
Correct Answer: Resistor
Explanation
A switch is an electrical device used to control the flow of current in a circuit. It allows the user to either complete (connect) or interrupt (disconnect) an electrical pathway, thereby turning a device or circuit on or off. Switches are fundamental components in both simple and complex electrical and electronic systems.
There are many types of switches, including:
- Toggle Switch – Operated by a lever, commonly used in household light switches.
- Push-button Switch – Activated by pressing a button; often used in calculators or keyboards.
- Rotary Switch – Operated by rotating a knob to open or close different circuits.
- Slide Switch – Activated by sliding a knob back and forth.
- DIP Switch (Dual In-line Package) – Small manual switch for configuration on circuit boards.
- Limit Switch – Activated by physical contact, used in machinery for position detection.
- Reed Switch – Activated magnetically, often used in security systems.
In contrast, a resistor is not a switch. A resistor is a passive electrical component that resists the flow of electric current, thereby reducing voltage or limiting current in a circuit. Its primary purpose is to control or reduce current flow, not to interrupt or complete it. A resistor allows current to pass through it at a controlled rate and does not have the capability to open or close a circuit like a switch does.
While both switches and resistors are common components in electronic circuits, their functions are fundamentally different. A switch is an active control device used to manually or automatically open or close a circuit, whereas a resistor is a passive component that only controls current by introducing electrical resistance.
Thus, among the given choices (assuming standard components), Resistor is not a type of switch.
