Magnetism Quiz

What is the primary principle behind electromagnetism?

• The interaction between electric currents and magnetic fields

• The interaction between electric charges and gravitational fields

• The interaction between electric charges and nuclear forces

• The interaction between electric currents and thermal energy

Which law describes the induced electromotive force (emf) in a closed circuit?

• Ohm's Law

• Faraday's Law

• Coulomb's Law

• Ampere's Law

What is the unit of magnetic flux?

• Tesla

• Weber

• Henry

• Joule

Which of the following is an application of magnetism in everyday life?

• Electric motors

• Solar panels

• Wind turbines

• Hydraulic pumps

In an RLC circuit, what does the 'L' stand for?

• Resistance

• Capacitance

• Inductance

• Impedance

What is the primary function of a transformer?

• To convert AC to DC

• To step up or step down voltage

• To store electrical energy

• To measure electrical resistance

Which component is essential for creating a band-pass filter?

• Resistor

• Capacitor

• Inductor

• All of the above

What is the formula for the magnetomotive force?

What is the unit of inductance?

• Farad

• Henry

• Tesla

• Weber

Which of the following devices uses the principle of magnetic induction?

• Transformer

• Battery

• Resistor

• Capacitor