State the direction of the above currents in a conductor, stating which end of the conductor is at high potential.

State the factors affecting the resistance of a conductor.

The direction of force on a current carrying conductor in a magnetic field is given by

How is the current flowing in a conductor changed if the resistance of conductor is doubled keeping the potential difference across it the same ?

Predict the direction of induced current in a metal ring when the ring is moved towards a straight conductor with constant speed v. The conductor is carrying current I in the direction shown in the figure.

Derive the expression for the current density of a conductor in terms of the conductivity and applied electic field. Explain with reason how the mobility of electrons in a conductor changes when the potential difference applied is doubled, keeping the temperature of the conductor constant.

Some charge is being given to a conductor. Then its potential : -

When no current passes through a conductor,choose which one of the following is incorrect?

Part (a): name and state the law which relates the potential difference and current in a conductor. What is the necessary condition for a conductor to obey the law named above in part (a)?

The relationship between the potential difference and the current in a conductor is stated in the form of a law. Name the law.

Which particles are responsible for current in conductors?