Question 1

Which of the following is a principle applied on most of the basic recording equipment of a digital radio studio?

Accepted Answer

Electromagnetic Induction

Answer

Magnetism

Answer

Electricity

Answer

Sound

Question 2

Which of the following does not operate on EMI principle?

Accepted Answer

digital audio software

Answer

audio interface

Answer

headphone

Answer

microphone

Question 3

What energy transformation can take place in a ceiling fan's electric motor?

Accepted Answer

electrical energy into mechanical energy

Answer

mechanical energy into electrical energy

Answer

electrical energy into sound energy

Answer

sound energy into electrical energy

Question 4

Which of the following is used in power plants to generate electricity?

Accepted Answer

AC generator

Answer

step down transformer

Answer

DC generator

Answer

step - up transformer

Question 5

Who is the scientist honored in the discovery of producing electricity by the action of magnetic field?

Accepted Answer

Michael Faraday

Answer

George Simon Ohm

Answer

Andre Marie Ampere

Answer

Alessandro Volta

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