If cells are joined in parallel, they have _______.a)same currentb)same emfc)same potential differenced)same internal resistanceCorrect answer is option 'C'. Can you explain this answer?

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Answer

Components connected in parallel provide alternative pathways for current flow. When cells are connected in parallel, the total voltages that they provide does not change. For example, when two or more 2 V cells are connected in parallel, they still provide a total voltage of 2 V.

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if cells are connected in parallel then both the cells are connected to the same terminals of the battery. so potential difference remains same

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yes , cells in parallel have same potential differences as I=V/R for parallel Req== 1/Rn so, we can say that v is directly proportional to R

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V

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Is the answer right??

Answer

Explanation:
When cells are joined in parallel, they have the same potential difference across them. This means that the voltage across each cell is the same.

Parallel Connection:
When cells are connected in parallel, the positive terminals of all the cells are connected together, and the negative terminals of all the cells are connected together. This forms a parallel circuit.

Potential Difference:
The potential difference, also known as the voltage, is the electrical energy per unit charge. In a parallel circuit, the potential difference across each component is the same. This is because the potential difference across the positive and negative terminals of the cells is the same, and these terminals are directly connected to each other in a parallel configuration.

Equal Potential Difference:
When cells are connected in parallel, the potential difference across each cell is the same. This is because the potential difference is determined by the difference in electrical potential between the positive and negative terminals of the cell. In a parallel configuration, the positive and negative terminals of all the cells are directly connected together, resulting in the same potential difference across each cell.

Example:
For example, if two cells with a potential difference of 1.5V each are connected in parallel, the potential difference across each cell will be 1.5V. This means that the positive terminal of each cell will be at a potential of 1.5V relative to the negative terminal.

Conclusion:
In conclusion, when cells are joined in parallel, they have the same potential difference across them. This is because the positive and negative terminals of the cells are directly connected together in a parallel configuration, resulting in the same potential difference across each cell.

Similar Class 12 Doubts

Three resistors 2 ohm 4 ohm and 5 ohm are combined in parallel what is total resistance of the combination if the combination is connected to a battery of EMF 20 volt and negligible internal resistance determine the current through each resistor and the total current drawn from the battery?

Two cells of emf 1 volt and 2 volt and internal resistance is 2 ohms and one ohm are connected in series. what should be the external resistance in the circuit so that the current through the resistance be the same.?

Two batteries of emf's 6.20 V and 12.45 volt and internal resistance 0.01ohm and 0.03 ohm respectively are being charged by a battery charger which supplies a current of 20 ampere.what are the terminal potential differences of the batteries during charging.?

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