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प्रश्न
What is meant by the earthing of an electroscope?
टिप्पणी लिखिए
उत्तर
Earthing of an electroscope is meant to take the thick copper strip inside the earth so that charges induced from thunderstorms on the metal spikes can move to earth to safeguard buildings from thunderstorms.
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Types of Circuits: Simple Circuit
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संबंधित प्रश्न
State and define the S.I. unit of potential difference.
A cell of potential difference 12 V is connected to a bulb. The resistance of filament of bulb when it glows is 24Ω. Find the current drawn from the cell.
What do you understand by the term electric potential?
What do you understand by the term quantity of electric charge?
State the relation between electric current; the number of electrons moving in a circuit and time in seconds.
State two characteristics of resistance in the parallel circuit.
Name any two basic properties of electric charge.
Describe an experiment to show that the like charges repel each other while the unlike charges attract.
Write the SI unit of resistance.
Explain the following:
Potential difference
