Question : Which device is used to either break electric circuit or to complete it?
Option 1: Insulators
Option 2: Wires
Option 3: Switch
Option 4: Bulb
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Correct Answer: Switch
Solution : The correct answer is Switch.
A switch is a device used to either break an electric circuit or complete it. It serves as a control to allow or interrupt the flow of electricity in a circuit. When in the open position, a switch breaks the circuit, preventing the flow of current. Conversely, in the closed position, it completes the circuit, allowing the current to flow through.
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Question : Materials that allow electric current to pass through them are called_______.
Option 1: insulators
Option 2: alternator
Option 3: conductors
Option 4: capacitor
Question : Materials that do not allow electric current to pass through them are called______.
Option 1: conductors
Option 2: insulators
Option 3: capacitors
Option 4: inductor
Question : Which device is used for measuring temperature?
Option 1: Manometer
Option 2: Ammeter
Option 3: Thermometer
Option 4: Barometer
Question : Which command is not used to switch off the computer?
Option 1: Turn off
Option 2: Log off
Option 3: Shut down
Option 4: Hibernate
Question : The fuse in an electric circuit is connected in _______.
Option 1: series with neutral
Option 2: parallel
Option 3: parallel to neutral
Option 4: series
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