An Aluminium (Al) rod with area of cross-section 4 × 10–6 m2 has a current of 5 ampere. Flowing through it. Find the drift velocity of electron in the rod. Density of Al : 2.7 × 103 kg/m3 and Atomic wt. : 27. Assume that each Al atom provides one electron
A. 8.6 × 10–4 m/s
B. 1.29 × 10–4 m/s
C. 2.8 × 10–2 m/s
D. 3.8 × 10–3 m/s
Answer:B
An Aluminium (Al) rod with area of cross-section 4 × 10–6 m2 has a current of 5 ampere. Flowing through it. Find the drift velocity of electron in the rod. Density of Al : 2.7 × 103 kg/m3 and Atomic wt. : 27. Assume that each Al atom provides one electron
A. 8.6 × 10–4 m/s B. 1.29 × 10–4 m/s C. 2.8 × 10–2 m/s D. 3.8 × 10–3 m/s