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Five 2 V cells are connected in parallel.The output voltage is
V
V
75 V
V
V
Given: Number of cells = 5, Voltage per cell (E) = 2 V, Connection type = Parallel.
Number of cells = 5, Voltage per cell (E) = 2 V, Connection type = Parallel.
VtotalтАЛ=E1тАЛ=E2тАЛ=тЛп=EnтАЛ
Identify connection type
The cells are connected in parallel. In a parallel circuit, the potential difference across each branch remains the same.
VparallelтАЛ=V1тАЛ=V2тАЛ=VnтАЛ
Apply the principle for parallel cells
When identical cells with voltage E are connected in parallel, the total terminal voltage of the combination is equal to the voltage of a single cell.
VoutputтАЛ=2┬аV
D is correct because when identical cells are connected in parallel, the total output voltage is equal to the voltage of a single individual cell, which is 2 V.
Always remember: in series connections, voltages add up (VtotalтАЛ=nE), but in parallel connections, voltage remains constant (VtotalтАЛ=E) while current capacity increases.