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प्रश्न
______ is the device used to close or open an electric circuit.
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उत्तर
Key or Switch is the device used to close or open an electric circuit.
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संबंधित प्रश्न
Draw a schematic diagram of a circuit consisting of a battery of three cells of 2 V each, a 5 Ω resistor, an 8 Ω resistor, and a 12 Ω resistor, and a plug key, all connected in series.
Draw circuit symbols for
an open switch
Observe the following figure which bulb get fuse?
A battery is to be formed by joining 3 dry cells with connecting wires. Show how will you connect the wires by drawing a diagram.
Explain the following:
Open circuit
The unit of electrical power is _______.
Find the odd one out and give its explanation.
How much is the potential difference between live and neutral wires?
The switch is used to close or open an electric circuit.
In an electric circuit, the current starts from ______.
