A potentiometer has 10 wires each of 1 meter length and the total resistance is `20Omega`. Find the resistance to be connected to the driving battery of emf 2 volts to produce a potential drop of `1 mu V` per millimeter.

A Potentiometer has 10 wires each of 1 metre length and the total resistance is 20 Omega . Find the resistance to be connected to the driving battery of emf 2 volts to produce a potential drop of 1 muV per millimetre. (Graph sheet is not required).

A potentiometer of 20 Omega has 10 wires each of 1 metre length and the total resistance to be connected to the driving battery of emf 2 volts to produce a potential drop of 1muV per millimetre . (Graph sheet is not required ) .

A potentiometer wire has length 4m and resistance 8Omega the resistance that must be connected in series with the wire and an accumulaterof emf 2 V so as to get a potential gradient 1 mV ,per cm on the wire is

The resistance of a potentiometer wire of length 10m is 20 ohm. A resistance box and a 2 volt accumulator are connected series with it. Resistance required to be introduced in the box to have a potential drop of one microvolt per millimeter of the potentiometer wire will be

A resistance of 12 Omega is connected with a battery of emf 1.5volt to have 0.1A current. What is the intemal resistahce of the battery?

Resistance of a coil is 10Omega and its self inductance is 5H. Find the energy stored when it is connected with a 100V battery.

A potentiometer wire has a length 10m and a resistance of 4 ohm. A cell of emf 2V and a resistance box are connected in series with it. Calculate the resistance to be introduced in the box, so as to get a potential gradient of 0.1Vm^-1 .

1 amp current flows thorugh a wire of resistance 5 Omega per 35 min. Find the amount of heat produced in it.

A potentiometer wire of length 100 cm has a resistance of 10Omega . It is connected in series with a resistance and a cell of emf 2V and of negligible internal resistance. A source of emf 10 mV is balanced against a length of 40 cm of the potentiometer wire. What is the value of external resistance ?