Surrounding Our Planet Earth Are

Q1: Faraday's law is the law that describes<br>A)electromagnetic

Q2: A superconducting electromagnet makes use of<br>A)low-resistance coils

Q3: Voltage produced by a generator alternates because<br>A)it

Q5: A transformer actually transforms<br>A)energy from one value

Q7: The sloshing of electrons inside a generator

Q9: A step-down transformer decreases<br>A)current.<br>B)voltage.<br>C)power.<br>D)energy.<br>E)all of the above

Q11: Surrounding every moving electron is<br>A)a magnetic field.<br>B)an

Q35: Power is the rate at which<br>A)energy is

Q77: Metal detectors that locate metal beneath sand

Q86: Which of these statements is true?<br>A)a battery