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Emf of a cell when the cell is charging and discharging and Open circuit and Short circuit is considered one of the most asked concept.
8 Questions around this concept.
The length of a wire of a potentiometer is 100 cm and the e.m.f. of its standard cell is E volt. It is employed to measure the e.m.f. of a battery whose internal resistance is 0.5 If the balance point is obtained at
cm from the positive end, the e.m.f. of the battery is :
A dry cell delivering 2 A has a terminal voltage 1.14V. What is the internal resistance of the cell if its open–circuit voltage is 1.59 V?
Emf of a cell when the cell is charging and discharging and Open circuit and Short circuit
Open circuit:
no current is taken from the cell.
The potential difference between A and B
The potential difference between C and D
Short circuit
Two terminals of a cell are joined together by a thick conducting wire
Maximum current
Equation of cell
When supplying the current:
When the cell is being charged:
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Last Date to Apply : 15th September | Campuses in Agartala, Aizawl, Ajmer, Aurangabad, Calicut, Imphal, Itanagar, Kohima, Gorakhpur, Patna & Srinagar
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