AN ideal battery of 4 V and resistance R are connected in series in the primary circuit of a potentiometer of length 1 m and the value of R, to give a differeence of 56mV across 10 cm of potentiometer wire , is :

AN ideal battery of 4 V and resistance R are connected in series in the primary circuit of a potentiometer of length 1 m and the value of 5 ohm, to give a difference of 5mV across 10 cm of potentiometer wire , is :

AN ideal battery of 4 V and resistance R are connected in series in the primary circuit of a potentiometer of length 1 m and and resistance 5Ω the value of R, to give a difference of 56mV across 10 cm of potentiometer wire , is :

An ideal battery of emf 2 V and a series resistance R are connected in the primary circuit of a potentiometer of length 1 m and resistance 5Omega The value of R, to give a potential difference of 5 m V across 10 cm of potentiometer wire is

An ideal battery of emf 2 V and a series resistance R are connected in the primary circuit of a potentiometer of length 1 m and resistance 5Omega The value of R, to give a potential difference of 5 m V across 10 cm of potentiometer wire is

A battery of emf 26V and internal resistance 0.4 ohm is connected to a resistance of 10ohm and a potentiometer wire of length 10m. What is the potential gradient on the wire if the resistance of the potentiometer wire is 5 ohm –

A potentiometer wire of length 10 m and resistance 10 Omega per meter is connected in serice with a resistance box and a 2 volt battery. If a potential difference of 100 mV is balanced across the whole length of potentiometer wire, then then the resistance introduce introduced in the resistance box will be

In order to determine the internal resistance of a primary cell by means of potentiometer the emf of the battery connected across the ends of the potentiometer wire should be