1. Which of the following is true about Ohm's law? a. It gives us the relationship among wire's resistance and the factors affecting it. b. It gives us the relationship among current and the amount of electrons that passes through the material. c. it gives us the relationship among current, potential difference and resistance in a circuit. d. It gives us the relationship among the capacitance of a parallel plate and the plates' distance from each other. 2. Electric current refers to the rate of flow of charge. How is current related to the number of electrons passing through a point on a given time? a. directly proportional b. inversely proportional C. square-direct proportion d. square-inverse proportion 3. The material's opposition to the flow of electric current is called "electrical resistance". What is the SI unit of resistance? a. ampere b. coulomb c. ohm d. volts 4. Which of the following statements is true about non-ohmic resistors? a. They have a curve graph and do not obey Ohm's law. b. They obey ohm's law and have a changing resistance. c. They do not obey ohm's law and have a linear graph. d. They have a constant resistance and have a linear graph. 5. Which of the following statements is true about alternating current? a. It travels in one direction only. b. It has a changing direction at a changing interval. c. It could be supplied by cell batteries. d. It could be supplied and distributed by electric companies. 6. It is the physical property of a material that determines the ease by which elec- tric current can flow freely? a. Electrical conductivity b. Electrical potential difference c. Electrical resistance d. Electric capacitance 7. The wider the road, the more cars can pass through". Which of the following factors affecting the resistance of a wire fits for the given analogy? a. cross-sectional area b. length of the wire c. material of the wire d. the material covering the wire
1. Which of the following is true about Ohm's law? a. It gives us the relationship among wire's resistance and the factors affecting it. b. It gives us the relationship among current and the amount of electrons that passes through the material. c. it gives us the relationship among current, potential difference and resistance in a circuit. d. It gives us the relationship among the capacitance of a parallel plate and the plates' distance from each other. 2. Electric current refers to the rate of flow of charge. How is current related to the number of electrons passing through a point on a given time? a. directly proportional b. inversely proportional C. square-direct proportion d. square-inverse proportion 3. The material's opposition to the flow of electric current is called "electrical resistance". What is the SI unit of resistance? a. ampere b. coulomb c. ohm d. volts 4. Which of the following statements is true about non-ohmic resistors? a. They have a curve graph and do not obey Ohm's law. b. They obey ohm's law and have a changing resistance. c. They do not obey ohm's law and have a linear graph. d. They have a constant resistance and have a linear graph. 5. Which of the following statements is true about alternating current? a. It travels in one direction only. b. It has a changing direction at a changing interval. c. It could be supplied by cell batteries. d. It could be supplied and distributed by electric companies. 6. It is the physical property of a material that determines the ease by which elec- tric current can flow freely? a. Electrical conductivity b. Electrical potential difference c. Electrical resistance d. Electric capacitance 7. The wider the road, the more cars can pass through". Which of the following factors affecting the resistance of a wire fits for the given analogy? a. cross-sectional area b. length of the wire c. material of the wire d. the material covering the wire
Chapter7: Electricity
Section: Chapter Questions
Problem 35Q: (Indicates a review question, which means it requires only a basic understanding of the material to...
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Transcribed Image Text:Assessment
Directions: Read the statements below. Choose the letter of the correct answer and
write it on a separate sheet of paper.
1. Which of the following is true about Ohm's law?
a. It gives us the relationship among wire's resistance and the factors affecting
it.
b. It gives us the relationship among current and the amount of electrons that
passes through the material.
c. It gives us the relationship among current, potential difference and
resistance in a circuit.
d. It gives us the relationship among the capacitance of a parallel plate and the
plates' distance from each other.
2. Electric current refers to the rate of flow of charge. How is current related to the
number of electrons passing through a point on a given time?
a. directly proportional
b. inversely proportional
c. square-direct proportion
d. square-inverse proportion
3. The material's opposition to the flow of electric current is called "electrical
resistance". What is the SI unit of resistance?
a. ampere
b. coulomb
c. ohm
d. volts
4. Which of the following statements is true about non-ohmic resistors?
a. They have a curve graph and do not obey Ohm's law.
b. They obey ohm's law and have a changing resistance.
c. They do not obey ohm's law and have a linear graph.
d. They have a constant resistance and have a linear graph.
5. Which of the following statements is true about alternating current?
a. It travels in one direction only.
b. It has a changing direction at a changing interval.
c. It could be supplied by cell batteries.
d. It could be supplied and distributed by electric companies.
6. It is the physical property of a material that determines the ease by which elec-
tric current can flow freely?
a. Electrical conductivity
b. Electrical potential difference
c. Electrical resistance
d. Electric capacitance
7. "The wider the road, the more cars can pass through". Which of the following
factors affecting the resistance of a wire fits for the given analogy?
a. cross-sectional area
b. length of the wire
c. material of the wire
d. the material covering the wire
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