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(C) The circuit consists of a battery,a fixed resistor,and a rheostat in series. The voltmeter $V_1$ is connected across the fixed resistor.According

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Increase continuously

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(C) The circuit consists of a battery,a fixed resistor,and a rheostat in series. The voltmeter $V_1$ is connected across the fixed resistor.According to Ohm's law,the reading of the voltmeter $V_1$ is given by $V_1 = I 	imes R$,where $I$ is the current in the circuit and $R$ is the resistance of the fixed resistor.When the rheostat slider moves from the extreme right to the far left,the effective resistance of the rheostat decreases.Since the total resistance of the circuit decreases,the total current $I$ flowing through the circuit increases $(I = \frac{E}{R_{total}})$.As the current $I$ increases and the resistance $R$ of the fixed resistor remains constant,the voltage drop $V_1 = I 	imes R$ across the fixed resistor increases continuously.

If the rheostat slider were to move from the extreme right to the far left,how will the reading of voltmeter $V_1$ change?

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