A voltmeter of resistance `994Omega` is connected across a cell of emf 1 V and internal resistance `6Omega`. Find the potential difference across the voltmeter, that across the terminals of the cell and percantage error in the reading of the voltmeter.

A voltmeter of resistance 995 Omega is connected across a cell of emf 3V and internal resistance 5 Omega . Find the potential difference across the voltmeter, that across the terminals of the cell and percentage error in the reading of voltmeter.

A voltmeter of resistance 998 Omega is connected across a cell of emf 2 V and internal resistance 2 Omega . Find the p.d. across the voltmeter, that across the terminals of the cell and percentage error in the reading of the voltmeter.

A voltmeter has a resistance of 50 Omega is connected across a cell of e.m.f. 2V and internal resistance 10 Omega . The reading of voltmeter is

(a) A voltmeter with resistance R_v is connected across the terminals of a battery of emf E and internal resistance r . Find the potential difference measured by the voltmeter. (b) If E = 7.50 V and r = 0.45 Omega , find the minimum value of the voltmeter resistance R_v so that the voltmeter reading is within 1.0% of the emf of the battery. (c) Explain why your answer in part (b) represents a minimum value.

A voltmeter resistance 500 Omega is used to measure the emf of a cell of internal resistance 4 Omega . The percentage error in the reading of the voltmeter will be

A voltmeter resistance 500 Omega is used to measure the emf of a cell of internal resistance 4 Omega . The percentage error in the reading of the voltmeter will be

The emf of a battery is 6.0 V and its internal resistance is 1.5 Omega . Its potential differences is measured by a voltmeter of resistance 1000 Omega . Calculate the percentage error in the reading of emf shown by voltmeter.

The emf of a battery is 4.0 V and its internal resistance is 1.5 Omega . Its potential difference is measured by a voltmeter of resistance 1000 Omega . Calculate the percentage error in the reading of emf shown by voltmeter.