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Question 1 of 50
1. Question
Electrical power can be calculated with the following formula: P = I x V What does the letter I represent in this formula?
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Question 2 of 50
2. Question
What is the load in this basic circuit model?
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Question 3 of 50
3. Question
Three amps equals how many milliamps?
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Question 4 of 50
4. Question
What type of electrical circuit is depicted above?
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Question 5 of 50
5. Question
What device would you use to measure electrical resistance in a circuit.
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Question 6 of 50
6. Question
Which of the following is NOT a type of resistor?
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Question 7 of 50
7. Question
Which of these electrical devices can be used to store an electric charge?
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Question 8 of 50
8. Question
What does this symbol refer to?
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Question 9 of 50
9. Question
The amount of energy used by a consumer in their home or business is typically measured in
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Question 10 of 50
10. Question
AM radio stations broadcast in which frequency range?
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Question 11 of 50
11. Question
If a circuit has 8 volts of power and 4 ohms of resistance, what will the current equal?
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Question 12 of 50
12. Question
Which of the following is the correct definition of an electrical cell?
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Question 13 of 50
13. Question
What is the voltage in a circuit with 10 amps of current and 6 ohms of resistance?
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Question 14 of 50
14. Question
The resistor color code for 2 is
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Question 15 of 50
15. Question
What type of switch is pictured above?
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Question 16 of 50
16. Question
Which of the following is the SI unit representing one cycle per second?
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Question 17 of 50
17. Question
Which of the following is the most conductive element?
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Question 18 of 50
18. Question
Which of the following statements are correct regarding a Voltmeter?
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Question 19 of 50
19. Question
Which of the following statements is incorrect regarding Ohm’s Law?
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Question 20 of 50
20. Question
If three different resistors are connected in parallel and a voltage is applied across them, which of the following statements is correct?
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Question 21 of 50
21. Question
A microwave is consuming 800 W power using a standard North American 120 V power supply. What is the approximate amount of current flowing?
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Question 22 of 50
22. Question
Which of the following is a unit of power?
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Question 23 of 50
23. Question
Which of the following is true regarding an AC signal?
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Question 24 of 50
24. Question
A capacitor blocks Direct Current (D.C). Hence, it is also known as a:
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Question 25 of 50
25. Question
How many valence electrons are present in most semi-conductor materials?
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Question 26 of 50
26. Question
Which of the following instruments is used to measure resistance of a load?
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Question 27 of 50
27. Question
How much current will flow through the resistor R2 if R1=R2=10 ohms and R3=20 Ohms?
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Question 28 of 50
28. Question
What does the following image represent?
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Question 29 of 50
29. Question
Four bulbs are connected in a series-parallel circuit as shown in the given figure. Each bulb is exhibiting a resistance of 4 ohms. If one of two bulbs in the parallel connection blows up, then what will the effect be on the total effective resistance offered by all the bulbs?
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Question 30 of 50
30. Question
A ground is not one of the following.
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Question 31 of 50
31. Question
A circuit breaker is better than a fuse because
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Question 32 of 50
32. Question
Which of the following statements is correct?
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Question 33 of 50
33. Question
What is commonly used in a circuit in which the flow of electricity needs to pass easily in one direction but not the opposite direction?
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Question 34 of 50
34. Question
Which of the following is not an application of a transistor?
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Question 35 of 50
35. Question
In a transformer
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Question 36 of 50
36. Question
Which of the following statements is correct?
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Question 37 of 50
37. Question
Which of the following statements is correct?
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Question 38 of 50
38. Question
What is the frequency of Direct Current (DC)?
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Question 39 of 50
39. Question
What does the following image represent?
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Question 40 of 50
40. Question
An ideal fuse should have a:
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Question 41 of 50
41. Question
A fuse rated at 0.8 A blows when the switch is closed. If an 80 V supply is supplying power to the circuit, what would be the maximum possible value of the resistance for which the current flows through the circuit?
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Question 42 of 50
42. Question
A capacitor stores energy in the form of:
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Question 43 of 50
43. Question
What is the basic operation of a step-up transformer?
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Question 44 of 50
44. Question
The generated force on a current carrying wire can be increased by
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Question 45 of 50
45. Question
A capacitor is also known as:
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Question 46 of 50
46. Question
Four capacitors are connected in parallel, each having a capacitance of 4 farads. What will be the equivalent capacitance of these capacitors?
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Question 47 of 50
47. Question
The electrical symbol in the figure represents which of the following?
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Question 48 of 50
48. Question
An inductor stores energy in the form of
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Question 49 of 50
49. Question
What does the following image represent?
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Question 50 of 50
50. Question
Which of the following statements is incorrect regarding a transformer?
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