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Carefully examine the circuit diagram given below

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in Physics by (15 points)

If the reading of the voltmeter is 4V, find the reading of the ammeter and the potential of the cell.

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related to an answer for: Draw a circuit diagram of an electric circuit containing a cell, a key, an ammeter, a resistor of 2 ohms in series with a combination
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1 Answer

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V = 4V

R= \(2\Omega\)

\(I=\frac{V}{R}=\frac{4}{2}=2A\)

\(\varepsilon=I.R\\=2\times(2+2)\\=2\times4\\=8V\)

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