Brevet Physics Semester 1
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CHAPTER 1: DC VOLTAGE
Introduction -
Generalities4 Topics|1 Quiz
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Electric Current and Voltage4 Topics|1 Quiz
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Laws of connections4 Topics|1 Quiz
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The Oscilloscope4 Topics|1 Quiz
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Problem solving Chapter 1 DC voltage4 Topics
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Unsolved problems Chapter 1 DC voltage (downloadable pdf)
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CHAPTER 2: RESISTORSIntroduction
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Resistance4 Topics|1 Quiz
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Ohm’s Law for a resistor4 Topics
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Using the rheostat4 Topics|1 Quiz
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Grouping resistors4 Topics|1 Quiz
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Problem solving Chapter 2 Resistors6 Topics
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Supplementary problems (downloadable pdf)1 Topic
Physics-Grade 9-Chapter 4-DC Voltage- MCQ 3-Laws of connections
Instructor Barakat Nasser January 26, 2021
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Question 1 of 9
1. Question
If an electric circuit is analogous to a water park, then the battery would be the …
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Question 2 of 9
2. Question
If an electric circuit is analogous to a water park, then the electric current is closest to the …
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Question 3 of 9
3. Question
Three identical light bulbs are connected to a dry cell as shown in the figure. Which one of the following statements is true?
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Question 4 of 9
4. Question
Three lamps are connected in series across a dry cell delivering a constant voltage of value 12V. One of the lamps uses a voltage of 6V. How much voltage does each of the other two lamps use knowing that they are identical?
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Question 5 of 9
5. Question
Questions 5 to 9: refer to the following paragraph
A DC power supply feeds a circuit composed of 4 lamps connected in parallel across each other. A voltmeter and an ammeter are used to measure the voltage and current intensity of this generator (figure). When the 4 lamps function normally together, the readings of the voltmeter and ammeter are 12V and 0.6A respectively.
The voltage across each lamp is:
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Question 6 of 9
6. Question
The current intensity through each lamp is:
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Question 7 of 9
7. Question
The filament of one of the lamps breaks and it turns off. Then,
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Question 8 of 9
8. Question
The filament of one of the lamps breaks and it turns off. Then,
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Question 9 of 9
9. Question
The filament of one of the lamps breaks and it turns off. To fix it, a wire is coupled to this lamp, thus:
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