Electricity Test 5

Directions: This is a quiz on electricity Answer the following questions. When you are done, click the Check Answers button at the bottom of the page.
1. If you remove one of these bulbs connected in parallel you would expect to see: a. both lamps to go out b. both lamps to get dimmer c. one of the bulbs remaining to get brighter d. a decrease in the battery to 6 volts e. None of the above.
2. Someone moves a magnet back and forth inside a coil of wire. The best inference [decision based on observation] that one could make is: a. He is using a bar magnet b. The wire coil has 4 turns of wire c. An electric current is being produced d. The ammeter is registering a reading e. None of the above
3. How can you show that electricity generates a magnetic field? a. Place a copper wire near a magnet b. You can't - only magnets produce magnetic fields c. Move a wire near a magnetic field d. Use a compass near a wire with current flowing through it e. None of the above
4. Someone brought a number of objects near a positively charged feather and recorded the resulting observations on a chart. The best conclusion that you can make from the chart is: a. the tack, foil and paper have a negative charge b. plastic objects always carry a negative charge c. metal objects always carry a positive charge d. the balloon, comb and yarn have a negative charge e. None of the above
5. A conductor a. is a material which allows electrons to pass through easily from atom to atom b. is used to tell if there is an electric current flowing c. does not allow electric current to pass through easily d. produces electric current by moving coils through a magnetic field e. None of the above
6. This illustration is of a photoelectric cell. What is it most like? a. a galvanometer b. a motor c. a battery d. a generator e. None of the above
7. If you had to, what part of the diagram right would you substitute with sulphuric acid? a. carbon rod b. aluminium chloride past c. circuit d. switch e. None of the above
8. How many batteries are represented in the schematic at the right? a. one b. two c. three d. four e. None of the above
9. The batteries right are connected in a. series b. parallel c. counter clockwise d. a broken circuit e. None of the above
10. What happens if you break a bulb in this series circuit? a. There is no change b. The remaining get brighter c. They all go out d. You reverse the current flow e. None of the above.

Directions: This is a quiz on electricity