A potential difference of 100 V is applied to the ends of a copper wire one metre long . What is the average drift velocity of electrons ?
(Given, `sigma=5.81xx10^(7)Omega` or `n_(Cu)=8.5xx10^(28)m^(-3)`)

A potential difference of V applied at the ends of a copper wire of length l and diameter d . On doubling only d drift velocity.

Potential difference of 100 V is applied to the ends of a copper wire one metre long. Calculate the average drift velocity of the electrons ? Compare it with thermal velocity at 27^@C . Consider there is one conduction electron per atom. The density of copper is 9.0xx10^(3)kg//m^(3) , Atomic mass of copper is 63.5 g. Avogadro's number = 6.0 xx 10^(23) per gram-mole. Conductivity of copper is 5.81 xx 10^(7)Omega^(-1)m^(-1) . Boltzmann constant = 1.38 xx10^(23)JK^(-1) .

A constant potential difference is applied between the ends of the wire . If the length of the wire is elongated 4 times , then the drift velocity of electrons will be

A constant potential difference is applied between the ends of the wire. If the length of the wire is elongated 4 times, then the drift velocity of electrons will be

A potential difference of 4.5 V is applied across a conductor of length 0.1 m. If the drift velocity of electrons is 1.5 xx10^(-4)ms^(-1) , find the electrons mobility.

A potential difference of 5 V is applied across a conductor of length 10 cm. If drift velocity of electrons is 0.00025 m/s, then what is the electron mobility?

A potential difference of 5 V is applied across a conductor of length 0.1 m. If drift velocity of electrons is 2.5 xx 10^-4 ms^-1 , calculate the electron mobility.