[" (11) A copper wire of radius "0*1mm" and resistance "1k Omega" is "],[" connected across a power supply of "20V" .(a) How many "],[" electrons are transferred per second between the supply "],[" and the wire at one end? (b) Write down the current "],[" density in the wire."]

A copper wire of radius 0.1 mm and resistance 1 k Omega is connected across a power supply of 20 V. (i) How many electrons are transferred per second between the supply and the wire at one end ? (ii) Write down the current density in the wire.

A copper wire of radius 0.1mm and resistance 1k(Omega) is connected across a power supply of 20 V.(a)How man electorns are transferred per second between the supply and the wire at one end?(b) Write down the current density in the wire.

A conducting wire carrying 1 A of current is connected across a battery of 2V. Find the number of electrons flowing through the wire per second.

A metal wire carries a current of 1 ampere. How many electrons pass a point in the wire in one second ?

A wire of length 1 m and radius 0.1mm gas a resistance of 100(Omega) .Find the resistivity of the material .

A wire of length 1 m and radius 0.1mm has a resistance of 100(Omega) .Find the resistivity of the material .

A wire of length 1 m and radius 0.1mm has a resistance of 100(Omega) .Find the resistivity of the material .

A thin copper rod of radius 1mm having an electrical resistance of 100 Omega is connected to battery of emf 12 volts and negligible internal resistance through a wire of negligible resistance. Calculate current density in the wire. Also , calculate the number of electrons entering one and of the rod per seconds.