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Light from the Sun takes ~8 minutes 20 seconds to reach Earth, travelling at 300,000 km/s.
Did you know?
Light from the Sun takes ~8 minutes 20 seconds to reach Earth, travelling at 300,000 km/s.
In a potentiometer circuit a cell of EMF V gives a balance point at cm length of wire. If another cell of EMF V replaces the first cell, then at what length of the wire, the balance point occurs?
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To solve this problem, we will use the principle of a potentiometer, which states that the potential difference across a length of wire is directly proportional to the length of the wire.Given:• EMF of the first cell V, balance point at
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