Midterm Electricity and Magnetism

What is the unit of electric charge?

• Volt

• Ampere

• Coulomb

• Ohm

According to Ohm's Law, what happens to the current if resistance increases while voltage remains constant?

• Increases

• Decreases

• Remains the same

• Becomes zero

What type of circuit has the same voltage across all components?

• Series

• Parallel

• Open

• Closed

The force between two charges is described by:

• Newton's Second Law

• Ohm's Law

• Coulomb's Law

• Faraday's Law

Which device transforms electrical energy into mechanical energy?

• Transformer

• Generator

• Motor

• Resistor

What happens when two like charges are brought close to each other?

• They attract

• They repel

• They cancel out

• They become neutral

What is the SI unit of electric current?

• Volt

• Ampere

• Ohm

• Coulomb

The opposition to the flow of electric current is called:

• Voltage

• Resistance

• Capacitance

• Inductance

In a parallel circuit, if one branch is disconnected, what happens to the other branches?

• They stop working

• They continue working

• Their voltage increases

• Their current decreases

The total resistance in a series circuit is:

• Equal to the smallest resistance

• The sum of all resistances

• The reciprocal of all resistances

• The product of all resistances