b) “The potential difference across the bulb can be measured by connecting the voltmeter in series”. Is this statement correct? Justify your answer.
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yes this statement is correct
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A voltmeter is always connected in parallel in the circuit to measure the potential difference between two points. because for measuring the voltage across some load in circuit the voltmeter must draw zero current , so voltmeter has a high value of resistance and is connected in parallel so that it draws no value of current.
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