A series circuit consists of three resistors with values of 140,250 and 220 connected in series. The total resistance is………..

Three resistors 1ohm, 2ohm and 3ohm are combined in series. What is the total resistance of the combination?

Three resistors 1Omega , 2Omega and 3Omega are combined in series. What is the total resistance of the combination?

A set of 'n' identical resistors each of resistance R ohm. When connected in series have an effective resistance of X ohm and when the resistors are connected in parallel, the effective resistance is Y ohm. Find the relation between R, X and Y.

A series LCR circuit is called ..... circuit.

A potentiometer wire of length 100 cm has resis tance of 10 ohms. It is connected in series with a resistance R and a cell of emf 2V and negligible in ternal resistance. The circuit is as shown below. - What is the principle of a potentiometer ?

A potentiometer wire of length 100 cm has resis tance of 10 ohms. It is connected in series with a resistance R and a cell of emf 2V and negligible in ternal resistance. The circuit is as shown below. - Why is it prefered over a voltmeter ?