7 only please AssessmentDirections: Read the statements below. Choose the letter of the correct answer andwrite 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 affectingit.b. It gives us the relationship among current and the amount of electrons thatpasses through the material.c. It gives us the relationship among current, potential difference andresistance in a circuit.d. It gives us the relationship among the capacitance of a parallel plate and theplates' distance from each other.2. Electric current refers to the rate of flow of charge. How is current related to thenumber of electrons passing through a point on a given time?a. directly proportionalb. inversely proportionalc. square-direct proportiond. square-inverse proportion3. The material's opposition to the flow of electric current is called "electricalresistance". What is the SI unit of resistance?a. ampereb. coulombc. ohmd. volts4. 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 conductivityb. Electrical potential differencec. Electrical resistanced. Electric capacitance7. "The wider the road, the more cars can pass through". Which of the followingfactors affecting the resistance of a wire fits for the given analogy?a. cross-sectional areab. length of the wirec. material of the wired. the material covering the wire

We need to tell which factor affecting the resistance fits the given analogy.

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

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

College Physics

11th Edition

ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter1: Units, Trigonometry. And Vectors

Section: Chapter Questions

Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...

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Concept explainers

Scalars and Vectors

Scalars and Vectors are the classification of physical quantities that are used to denote various terms in physics.

Question

100%

7 only please

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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