Electrical Science Quiz

What is the formula for Ohm's Law?

What is the unit of electrical current?

• Volt

• Ohm

• Ampere

• Watt

Which law states that the induced electromotive force in any closed circuit is equal to the rate of change of the magnetic flux through the circuit?

• Coulomb's Law

• Faraday's Law of Electromagnetic Induction

• Ohm's Law

• Kirchhoff's Voltage Law

What is the primary purpose of grounding in electrical systems?

• To reduce the risk of electric shock

• To increase circuit efficiency

• To decrease resistance

• To increase voltage

What does the term "milli" signify in electrical measurements?

What is the magnetic field unit in the International System of Units (SI)?

• Tesla

• Coulomb

• Ampere

• Ohm

Which of the following is NOT a method for producing an electromotive force (emf)?

• Chemical reaction in a battery

• Movement of a conductor through a magnetic field

• Heating a wire

• Changing the magnetic field around a conductor

What does a fuse do in an electrical circuit?

• Increases current flow

• Decreases resistance

• Interrupts excessive current flow

• Converts AC to DC