Electromagnetism

Which of the following produces a magnetic field?

• electric current

• copper wire

• aurora

• infrared wave

Electromagnetic radiation produced by which of the following should we protect ourselves from?

• X-Ray scan

• iPhone

• Microwave

• ultraviolet light

Our earth works like an electricity generator and produces a magnetic field. Which of the following words describes this?

• geodynamo

• geodinosaur

• geobicycle

• geopsychic

Who is the scientist that discovered electromagnetic induction?

• Michael Faraday

• Nikola Tesla

• 袁隆平

• Victor Frankenstein

Which of the following words is closest in meaning to TRANSMIT?

• transfer

• transplant

• translate

• transparent

Which of the following produces electricity?

• changing magnetic field

• eye contact

• sound wave

• visible light