Chapter 10.2 - Electric Field, Potential, and Energy Quiz

What is the unit of electric potential?

• Volt

• Newton

• Coulomb

• Joule

What is the definition of electric potential?

• The work done when a charge is taken across a potential difference of one volt

• The force applied to a charge to make it move closer to another charge

• The work done per unit charge in moving a small positive test charge from infinity to that point

• The energy scale that characterizes the atomic world

What is the work done to bring a small positive test charge from far away to a point near a charge Q called?

• Electric potential energy

• Equipotential surface

• Electric field strength

• Potential difference

What is the energy scale that characterizes the atomic world?

• Volt

• Coulomb

• Electronvolt

• Joule

What is the work done when a charge of two electron charges is taken across a potential difference of 2 V?

• 6 eV

• 4 eV

• 8 eV

• 2 eV

What is the speed of a mass 1.6x10-27 kg whose kinetic energy is 5000 eV?

• 100 ms-1

• 200 ms-1

• 500 ms-1

• 106 ms-1

What is the formula for the electric field strength between parallel plates?

• F = Eq

• W = Fd

• ∆V = Ed

• E = ∆V/∆x

What is the energy unit that is more convenient for the atomic world?

• Joule

• Coulomb

• Volt

• Electronvolt

What is the formula for the electric potential energy of a charge q placed at point P?

• Ep = q∆V

• Ep = ½ mv2

• Ep = qVP

• Ep = qVB - qVA

What is the relation between electric field strength and electric potential gradient?

• Electric field strength = ∆V/∆x

• Electric field strength = Fd

• Electric field strength = Potential gradient

• Electric field strength = - Potential gradient