An electron in potentiometer experiences a force `2.4xx10^(-19)N`. The length of potentiometer wire is 6m. The emf of the battery connected across the wire is (electronic charge `=1.6xx10^(-19)C`)

An electron in the potentiometer wire experiences a force of 2.4 xx 10^-19 N . The length of the potentiometer wire is 4 m. The emf of the battery connected across the wire is :

An electron (charge q=1.6xx10^(-19)C) in the potentiometer wire experiences a force of 2.4xx10^(-19) N. The length of the potentiometer wire is 6 m. The e.m.f. of the battery connected across the wire is

A current of 2 ampere passes through a wire for 8 seconds. Number of electrons passing across the wire is (electronic charge 1.6 xx 10^(-19) coulomb)

A current of 2 ampere passes through a wire for 8 seconds . Number of electrons passing across the wire is (electronic charge 1.6 xx 10^(-19) coulomb)

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

To charge a body to +1 coulomb ( charge of an electron =1.6 xx 10^(-19)C )

The balancing length for a cell in a potentiometer experiment is 45 cm. In the balanced condition, the current through the potentiometer wire is 2 A. If the total length of the potentiometer wire is 1 m and its total resistance is 60Omega , the emf of the cell is (in Volts) _________.

The balancing length for a cell in a potentiometer experiment is 45 cm. In the balanced condition, the current through the potentiometer wire is 2 A. If the total length of the potentiometer wire is 1 m and its total resistance is 60Omega , the emf of the cell is (in Volts) _________.