Electrical Theory Quiz

Couldn't confirm presence of Flash 8 or higher because JavaScript was disabled.Get FlashI really do have Flash installed.ul{margin-top:0px;margin-bottom:0px;list-style-type:none;padding-left:20px;}All the questions and answers in this quiz are found in Tom Henry's book, "Electrical Theory".1. 3�� currents are generally out of phase by degrees.

[ ] 30

[ ] 120

[ ] 60

[ ] 90

2. The voltage produced by electromagnetic induction is controlled by .

[ ] number of lines of flux cut per second

[ ] eddy currents

[ ] the number of turns

[ ] the size of the magnet

3. The greatest voltage drop in a circuit will occur when the the current flow through that part of the circuit.

[ ] faster

[ ] lower

[ ] slower

[ ] greater

4. A device for making, breaking, or changing connections in a circuit under load is a .

[ ] relay

[ ] inductor

[ ] switch

[ ] growler

5. Of the six ways of producing emf, which method is used the least?

[ ] friction

[ ] pressure

[ ] chemical action

[ ] solar

6. As the temperature increases, the resistance of most conductors also increases, except .

[ ] brass

[ ] carbon

[ ] zinc

[ ] silver

7. The hot resistance of a 100 watt incandescent bulb is about times its cold resistance.

[ ] 50

[ ] 2

[ ] 100

[ ] 10

8. Other factors remaining the same, the effect on the current flow in the circuit would cause the current to if the applied voltage was doubled.

[ ] divide by 2

[ ] double

[ ] increase 4 times

[ ] remain the same

9. Electrical appliances are connected in parallel because it .

[ ] is a simple circuit

[ ] makes the operation of appliances independent of each other

[ ] draws less current

[ ] results in reduced power loss

10. In which of the following would a rheostat most likely not be used?

[ ] transformer

[ ] motor

[ ] generator

[ ] motor-generator set

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