The Current Is Zero in a Conductor When No Potential

question 38

Multiple Choice

The current is zero in a conductor when no potential difference is applied because:

• A)the electrons are not moving
• B)the electrons are not moving fast enough
• C)for every electron with a given velocity there is another with a velocity of equal magnitude and opposite direction
• D)equal numbers of electrons and protons are moving together
• E)otherwise Ohm's law would not be valid