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प्रश्न
A device that is used to break an electric circuit is called ______.
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उत्तर
A device that is used to break an electric circuit is called switch.
संबंधित प्रश्न
Explain the construction and working of the following. Draw a neat diagram and label it.
Electric motor
How does the short circuit form? What is its effect?
What is the use of earthing wire?
______ is the device used to close or open an electric circuit.
In the circuit shown, which switches (L,M or N) must be closed to light up the bulb?
Explain about domestic electric circuits. (circuit diagram not required)
Name the device used these days in place of electric fuses in electrical circuits.
Draw the symbols of the following circuit components.
Switch in off position
An electric motor rated 1100 W is connected to 220 V mains. Find:
- The current drawn from the mains,
- Electric energy consumed if the motor is used for 5 hours daily for 6 days.
- Total cost of energy consumed if the rate of one unit is 5.
Assertion: People struck by lightning receive a severe electrical shock.
Reason: Lightning carries very high voltage.
