Electromagnetic Fields Quiz

Which law describes the electric field intensity due to a finite wire carrying a current?

• Faraday's Law

• Gauss's Law

• Biot-Savart Law

• Coulomb's Law

What theorem relates the curl of a vector field to the circulation around a closed curve?

• Gauss's Theorem

• Stokes' Theorem

• Maxwell's Theorem

• Divergence Theorem

Which equation is used to describe the relationship between electric and magnetic fields in time-varying conditions?

• Faraday's Law

• Ampere's Circuital Law

• Maxwell's Equations

• Lorentz Force Equation

What is the primary focus of the study of magnetostatics?

• Electric fields in materials

• Magnetic fields due to moving charges

• Electromagnetic waves

• Electrostatic forces

In which medium do plane waves travel without loss?

• Conductors

• Dielectrics

• Lossy media

• Lossless media

What is the principle behind the operation of a solenoid?

• Electromagnetic induction

• Faraday's Law

• Biot-Savart Law

• Coulomb's Law

Which of the following is an example of non-ionizing radiation?

• Ultraviolet rays

• Microwaves

• X-rays

• Gamma rays

What is the purpose of a magnetic locking system in security systems?

• To store data

• To generate electric fields

• To amplify sound

• To unlock doors using magnetic cards

How does electromagnetic induction occur according to Faraday's Law?

• By constant current flow

• By static electric fields

• By changing magnetic fields

• By moving electric charges