Chapter 37, Problem 49EAP

To determine

(a)

The expression for the droplet’s charge in terms of suspending field $E_0$ and the droplet’s weight $mg$.

To determine

(b)

The expression for the terminal speed $v_{\text{term}}$ in terms of $m$, $g$ and $b$.

To determine

(c)

The expression for $r$ in terms of $\eta$, $v_{\text{term}}$, $\rho$ and $g$.

To determine

(d)

The droplet’s charge.

To determine

Section 1:

The velocity of the oil drop.

To determine

Section 2:

The electric field strength.

To determine

Section 3:

The droplet’s charge.

To determine

(e)

The number of units of the fundamental electric charge.