Question

In an atom electron revolve around the nucleus along a path of radius $0.72\mathring{A}$ making $9.4\times 10^{18}$ revolutions per second. The equivalent current is [Given $e=1.6\times 10^{-19}C$ ]

• A. $1.4A$
• B. $1.8A$
• C. $1.2A$
• D. $1.5A$

Answer 1

Answer: (D)

$i=\frac{e}{T}=ef$