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प्रश्न
Differentiate between:
Primary and secondary cell.
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उत्तर
Primary cells are the cells in which chemical reaction is irreversible so they can't be charged again and again. While, secondary cells are the cells in which chemical reaction is reversible and can be charged again and again.
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संबंधित प्रश्न
Explain the meaning of the term magnetic field ?
What is a magnet?
Tick the most appropriate answer.
The surest test of magnetism is
A magnet remains steady in a ________ direction.
Select the correct option:
The substance which form a strong temporary magnet is:
Define the following term:
Geographic meridian
With the help of a diagram explain the following:
Magnetisation of steel needle using electric current such that the pointed end should have north polarity.
A magnet attracts ______.
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