Physics H 10 Electrical Potential

What is electrical potential?

• potential energy per charge

• potential energy

• force per charge

Changes in __ energy result of change in position of charge along electric field lines

• kinetic

• potential

• mechanical

• thermal

Change in PE when point charge moves from point a to point b is __ work done by electric force to move the charge from b to a

• positive of

• negative of

• the same as

Electrical potential does not depend on __

• charge

• friction

• direction

• velocity

__ charged object moves naturally from high potential to low potential, __ charged object moves naturally from low potential to high potential

• positively, negatively

• negatively, positively

SI unit for electrical potential is the

• coulomb

• volt

• meter

• second

electric field can be written as __ as well as __

• N, kg m/s

• V/m, N/C

• kg m²/s², joules

• J, kg m/s

Amount of work required to move a charge along an equipotential line

• qEd (q is charge, E is electric field strength, d is displacement)

• Fdcos(theta)

• mgh

• 0

Unlike electric field lines, equipotential lines/surfaces never end

• True

• False

Conductors are __ surfaces

• equipotential

• smooth

• round