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प्रश्न
There is a positively charged sphere A and negatively charged sphere B, such that they are brought in electrical contact by a copper wire.
Which sphere is at lower potential before electrical contact on the basis of convention?
उत्तर
Sphere A is positively charged and sphere B is negatively charged.
Both spheres A and B are brought in electrical contact by a copper wire.
On the basis of convention, negatively charged sphere B is lower potential before electrical contact.
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संबंधित प्रश्न
State three differences between the primary and secondary cells.
How are the potential difference (V), current (l) and resistance (R) related?
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Name the physical quantity of which the unit is ohm
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State two conditions necessary for a circuit, such that electric current flows through it.
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What do you mean by the potential difference? Write its SI unit.
