View a FREE sample

This test consists of 15 multiple choice questions and 5 short answer questions.

Multiple Choice Questions

1. Where can the electromagnetic fields exist that sound waves cannot?
(a) In the brain.
(b) Through dense matter.
(c) Outside of matter.
(d) In a vacuum.

2. When a magnetic field flows from a magnet into metal what is pulled together?
(a) The magnet and the current.
(b) The metal and magnet.
(c) The metal and the current.
(d) Nothing.

3. Where does the last mammoth meet Bill?
(a) At the gates of heaven.
(b) At the gates to Hades.
(c) At the Arc de Triomphe de l'Étoile.
(d) At the gates of the digital domain.

4. What charge do untouched electrons carry?
(a) Neutral.
(b) It varies.
(c) Positive.
(d) Negative.

5. What is a core of wire wound around an iron core?
(a) A demagnitizer.
(b) An electromagnet.
(c) A bushing coil.
(d) An altimeter.

6. What do sensors and detectors measure?
(a) Only electrical currents.
(b) Electrical currents, rays, and waves.
(c) Only light rays.
(d) Only electrical waves.

7. If you put a copper wire and a zinc wire into a lemon, what occurs?
(a) A chemical reaction.
(b) A fusing of the zinc to the lemon.
(c) A fusing of the copper to the lemon.
(d) A bonding of the zinc to the copper.

8. What does a convex lens do?
(a) Causes an image to flatten.
(b) Creates a larger image of a smaller one.
(c) Creates a smaller image of a larger image.
(d) Causes an image to appear three dimensional.

9. Why do electromagnets use the forces of attraction and repulsion alternately to keep machines running?
(a) Because electrical current can be reversed or shut off.
(b) Because an electrical current can only stay polarized.
(c) Because electrons inherently move towards neutrality.
(d) Because electrons are always positively charged.

10. In the illustration of binary code, what represents the "on" number?
(a) An empty crate.
(b) A pumpkin in a crate.
(c) A basketball in a crate.
(d) A lemon in a crate.

11. The speed of the vibration affects ____________.
(a) The foil.
(b) The pattern.
(c) The density.
(d) The wavelength.

12. Of what is color photography paper made when printing from a negative?
(a) Six color sensitive layers.
(b) Three color sensitive layers.
(c) A black layer sandwhiched between two color sensitive layers.
(d) One color sensitive layers.

13. What type of input do we use to input binary code on a phone?
(a) Fingertip.
(b) Negative.
(c) Code.
(d) Positive.

14. What are devices which measure and/or locate a force and/or give feedback?
(a) Detractors and desensitizers.
(b) Sensors amd detectors.
(c) Detectors and detractors.
(d) Sensors and desensitizers.

15. Why does Bill invite the mammoth in?
(a) Bill thinks the mammoth is lonely.
(b) To feed the mammoth his dinner.
(c) To change the mammoth into an elephant.
(d) To kill it.

Short Answer Questions

1. What is the absence of any light?

2. As the frequency speed increases, what happens to the pitch?

3. How is magnetism created?

4. Towards which direction do electrons move on a magnet?

5. What number represents off in binary code?

(see the answer keys)

This section contains 492 words (approx. 2 pages at 300 words per page) View a FREE sample