PHYS2002 Final Exam Review pt. 1

4 Properties of Electric Field Lines:

Start at/are directed away from _____________ charges and end at/are directed towards ________________ charges.

• positive; negative

• negative; positive

4 Properties of Electric Field Lines:

Electric field vector at some point in space is always _____________ to the field line at that point.

• parallel

• perpendicular

• tangent

• equal

4 Properties of Electric Field Lines:

The more field lines you have per unit volume, the ______________ the electric field.

• weaker

• stronger

4 Properties of the Electric Field:

The number of field lines going out of/going into a charged particle is ________________ to the magnitude of the charge on the particle.

• inversely proportional

• directly proportional

• not related

Imagine an electron is held at the negative plate of a parallel plate capacitor. When the capacitor is turned on, the Electric Potential Energy of the electron is _____________ and the Electric Potential of the electron is ____________.

• low; high

• high; high

• high; low

• low; low

Imagine an electron is held at the negative plate of a parallel plate capacitor. If the electron is released, the Electric Potential Energy of the electron would ____________, the Kinetic Energy of the electron would _____________, and the Electric Potential of the electron would _____________.

• decrease; increase; increase

• increase; decrease; decrease

• increase; decrease; increase

• decrease; increase; decrease

The current from a battery is a __________ current because ______________________________.

• Direct Current because the current moves in both directions.

• Alternating Current because the current moves in both directions.

• Alternating Current because the current moves in only one direction.

• Direct Current because the current moves in only one direction.

Resistors are considered to be wired in series when the same ____________ runs through each component. In order to maintain Ohm’s Law, the _____________ across each component must be different.

• voltage; current

• current; voltage

• resistance; current

• resistance; voltage

Resistors are considered to be wired in parallel when the _____________ across each component is the same. In order to maintain Ohm’s Law, the ___________ running through each component must be different.

• resistance; current

• current; voltage

• voltage; current

• resistance; voltage

What is RHR-1 used for

• determining direction of the magnetic field around a loop of current-carrying wire

• determining direction of the magnetic field around a straight current-carrying wire

• determining direction of the magnetic force around a loop of current-carrying wire

• determining direction of the magnetic force on a point charge or straight current-carrying wire