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Question 1 of 50
1. Question
Which of the following is the most conductive element?
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Question 2 of 50
2. Question
Which of the following statements is correct?
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Question 3 of 50
3. Question
Which of the following statements are correct regarding a Voltmeter?
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Question 4 of 50
4. Question
Which of the following instruments is used to measure resistance of a load?
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Question 5 of 50
5. Question
Which of the following statements is incorrect regarding Ohm’s Law?
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Question 6 of 50
6. Question
How much current will flow through the resistor R2 if R1=R2=10 ohms and R3=20 Ohms?
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Question 7 of 50
7. 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 8 of 50
8. 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 9 of 50
9. 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 10 of 50
10. Question
Which of the following is a unit of power?
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Question 11 of 50
11. Question
Which of the following is true regarding an AC signal?
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Question 12 of 50
12. Question
A ground is not one of the following.
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Question 13 of 50
13. Question
What does the following image represent?
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Question 14 of 50
14. Question
A circuit breaker is better than a fuse because
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Question 15 of 50
15. Question
A capacitor blocks Direct Current (D.C). Hence, it is also known as a:
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Question 16 of 50
16. Question
How many valence electrons are present in most semiconductor materials?
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Question 17 of 50
17. 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 18 of 50
18. Question
Which of the following is not an application of a transistor?
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Question 19 of 50
19. Question
Which of the following statements is correct regarding inductors?
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Question 20 of 50
20. Question
In a transformer
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Question 21 of 50
21. Question
Which of the following statements is correct?
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Question 22 of 50
22. Question
Which of the following statements is correct?
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Question 23 of 50
23. Question
Current I is passing through a load of resistance R. If the voltage across the load doubles and the resistance of the load is reduced by half then what is the amount of current passing through the load?
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Question 24 of 50
24. Question
Current flows:
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Question 25 of 50
25. Question
What is the total amount of energy if a 12 C charge produces 3 V?
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Question 26 of 50
26. Question
Copper is a good conductor of electricity because:
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Question 27 of 50
27. Question
What would happen to the voltage if the current doubles and the resistance increases four times?
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Question 28 of 50
28. Question
A series circuit is shown in the figure. What is the voltage across resistor R3 if R1=20 ohms and R3=30 ohms?
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Question 29 of 50
29. Question
A parallel combination of two resistors is connected in series with a 4 ohm resistor. If the total effective resistance by these three resistors is 10 ohms then which of the following can be the values of two resistors in parallel connection?
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Question 30 of 50
30. Question
The electric power consumed by an electric kettle is 2000 W. If the voltage being supplied to the kettle increases 4 times and the current flowing through the kettle is decreased by half, what would be the effect on the power consumed by the kettle?
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Question 31 of 50
31. Question
If two different resistors are connected in series, then which of the following statements is correct regarding the electrical power consumed by the resistors?
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Question 32 of 50
32. Question
What is the frequency of Direct Current (DC)?
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Question 33 of 50
33. Question
What does the following image represent?
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Question 34 of 50
34. Question
A resistor with a 100 ohms of resistance has 10% tolerance. What does this mean?
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Question 35 of 50
35. Question
An ideal fuse should have a:
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Question 36 of 50
36. 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 37 of 50
37. Question
Rectification is an important application of a diode. Rectification can be defined as:
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Question 38 of 50
38. Question
What are the three terminals of a transistor?
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Question 39 of 50
39. Question
A capacitor stores energy in the form of:
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Question 40 of 50
40. Question
What is the basic operation of a step-up transformer?
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Question 41 of 50
41. Question
The generated force on a current carrying wire can be increased by
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Question 42 of 50
42. Question
A capacitor is also known as:
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Question 43 of 50
43. 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 44 of 50
44. Question
The electrical symbol in the figure represents which of the following?
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Question 45 of 50
45. Question
An inductor stores energy in the form of
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Question 46 of 50
46. Question
What does the following image represent?
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Question 47 of 50
47. Question
Which of the following statements is incorrect regarding a transformer?
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Question 48 of 50
48. Question
Electrical power can be calculated with the following formula:
P = I × V
What does the letter I represent in this formula?
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Question 49 of 50
49. Question
What is the load in this basic circuit model?
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Question 50 of 50
50. Question
Three amps equals how many milliamps?
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