Every atom makes one free electron in copper. If 1.1 ampere current is flowing in the wire of copper having 1 mm diameter, then the drift velocity (approx.) will be (Density of copper `=9 xx 10^(3) kg m^(-3)` and atomic weight = 63)

A current of 1.0 ampere is flowing through a copper wire of length 0.1 metre and cross-section 1.0xx10^(-6) m^(2) . (i) If the specific resistance of copper be 1.7xx10^(-8) Omega m , calculate the potential difference across the ends of the wire. (ii) Determine current density in the wire. (iii) If there be one free electron per atom in copper, then determine the drift velocity of electrons. Given : density of copper =8.9xx10^(3) kg m^(-3) , atomic weight =63.5, N=6.02xx10^(26) per kg-atom.

A current of 1.0 ampere is flowing through a copper wire of length 0.1 metre and cross-section 1.0xx10^(-6) m^(2) . (i) If the specific resistance of copper be 1.7xx10^(-8) Omega m , calculate the potential difference across the ends of the wire. (ii) Determine current density in the wire. (iii) If there be one free electron per atom in copper, then determine the drift velocity of electrons. Given : density of copper =8.9xx10^(3) kg m^(-3) , atomic weight =63.5, N=6.02xx10^(26) per kg-atom.

Assuming that there is one free electron per atom in copper, determine the number of free electrons in 1 "metre"^(3) volume of copper. Density of copper is 8.9xx10^(3) kgm^(-3) and atomic weight 63.5. (Avogadro's number, N=6.02xx10^(26) per kg-atom).

An electric current of 16 A exists in a metal wire of cross section 10^(-6) m^(2) and length 1 m. Assuming one free electron per atom. The drift speed of the free electrons in the wire will be (Density of metal = 5 xx 10^(3) kg//m^(3) atomic weight = 60)

An electric current of 16 A exists in a metal wire of cross section 10^(-6) m^(2) and length 1 m. Assuming one free electron per atom. The drift speed of the free electrons in the wire will be (Density of metal = 5 xx 10^(3) kg//m^(3) atomic weight = 60)

A current of 4.4A is flowing in a copper wire of radius 1mm density of copper is 9 xx 10^(3)kg m^(-3) and its atoms is 63.5u If every atoms of copper contributes one condition electron , then the drift velocity of electrons is nearly [density of copper 9 xx 10^(3) kg m^(3)]

Estimate the average drift speed of conduction electrons in a copper wire of cross-sectional area 1.0 xx 10^(-7) m^(2) carrying a current of 1.5 A. Assume that each copper atom contributes roughly one conduction electron. The density of copper is 9.0 xx 10^(3) kg//m^(3) and its atomic mass is 63.5 u.

Calculate the average drift speed of conduction electrons in a copper wire of cross-sectional area 1.0xx10^(-7)m^(2) , carrying a current of 1.5 A. Assume that each copper atom contributes roughly one conduction electron. The density of copper is 9.0xx10^(3) kg m^(-3) and its atomic mass is 63.5. Take Avogadro's number =6.0xx10^(23) .