Electrical Apprenticeship Quiz

What is the unit of electrical resistance?

• Ampere

• Volt

• Ohm

• Watt

Which law states that the current through a conductor between two points is directly proportional to the voltage across the two points?

• Coulomb's Law

• Ohm's Law

• Faraday's Law

• Kirchhoff's Law

What device is used to measure electric current?

• Voltmeter

• Ammeter

• Ohmmeter

• Wattmeter

What is the formula to calculate electrical power in a DC circuit?

• All of the above

Which of the following is NOT a type of basic electrical circuit?

• Series Circuit

• Parallel Circuit

• Complex Circuit

• Direct Circuit

What is the purpose of a fuse in an electrical circuit?

• To step down voltage

• To measure current

• To protect the circuit from overcurrent

• To increase current flow

What does the term "grounding" refer to in electrical systems?

• Connecting to the earth's surface

• Isolating from the power source

• Elevating the circuit components

• Cooling down the system

Which material is commonly used as an electrical conductor?

• Plastic

• Copper

• Glass

• Rubber

What is the principle of operation for a transformer?

• Electromagnetic induction

• Electrostatic discharge

• Direct current conversion

• Mechanical rotation

What does a capacitor do in a circuit?

• Stores electrical energy in an electric field

• Converts electrical energy into mechanical energy

• Measures the electrical resistance

• Protects the circuit from overvoltage