An ammeter of resistance `0.5Omega` is connected in the usual way to a circuit which has a cell of emf 1.5 V and an internal resistance `2Omega` and a resistor `8Omega`. What is the percentage error in the reading of the ammeter?

An ammeter of resistance 0.02 Omega is connected in the usual may to a circuit in a circuit consisting of a cell of emf 2V and internal resistance 1Omega and a resistor of 9Omega . What is the percentage error in the reading of the ammeter? [Hint: I_(real)=2/10=0.2 , I_(apparent)= 2/10.02)

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 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 with a resistance of 8000Omega is used to measure the emf of a cell of internal resistance 4Omega . What is the percentage error in the reading of the voltmeter?

A voltmeter has a resistance of 1000 Omega . What will be its reading when it is connected across a cell of emf 2V and internal resistance 10 Omega ?

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

Eight cells marked 1 to 8, each of emf 5 V and internal resistance 0.2 Omega are connected as shown. What is the reading of ideal voltmeter ?

A 4 m long wire of resistance 8Omega is connected in series with a battery of emf 2V and a resistor of 7Omega . The internal resistance of the battery is 1Omega . What is the potential gradient along the wire ?