2. A negative test charge would be at a high electric potential when heldA. Closer to a positive source charge.B. Closer to a negative source charge.C. Farther away from a positive source charge.D. Farther away from a negative source charge3. What is the strength of the electric field if the electric potential is constant?C. MaximumA. ZeroB. ConstantD. Cannot be determined4. When work is done on a positive test charge by an external force to move it from one location to another,_ (increases, decreases) and electric potentialpotential energy._ (increases, decreases).A. increases, increasesC. decreases, increasesB. increases, decreasesD. decreases, decreases5. The potential difference between the terminals of a connection wire isC. less than zeroA. zeroB. InfinityD. greater than zero6. If 5 J of work is needed to shift 10C of charge from one place to another. The potential difference between theplaces should beA. 0.5 VВ. 2 VC. 5VD. 10 V7. A 50 µF has a potential difference of 8 V. What is its charge?C. 4 x 104 CA. 4 x 103CВ. 6.25 х 10* сD. 6.25 x 10° C8. A capacitor has a charge of 0.02 C when connected with a 0 V battery. TheA. 1 µFcapacitance isB. 4 µFC. 2 µFD. 40 μΕ9. A parallel plate capacitor has an energy of 2.5 J. It must be placed in a potential difference ofA. 150 VB. 350 VC. 500 VD. 0.25 MV10. Two 50 µF capacitor are connected in series. The equivalent capacitance of the combinationisA. 25 µFB. 100 μFC. 50 uFD. 200 µF11. Two 50 µF capacitor are connected in parallel. The equivalent capacitance of the combination isA. 25 µFB. 100 μFC. 50 uFD. µF12. What can dielectric do for the capacitors?A. Decrease the value of CC. Decrease the intensity of electric field.B. Increase the value of CD. Increase the intensity of electric field13. The electric charge enclosed by the Gaussian surface isA. ZeroB. positiveC. minimumD. maximum14. According to Gauss's Law, the electric field inside a charged conducting wire isВ. zeroC. maximumC. infinityD. cannot be determined

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2. A negative test charge would be at a high electric potential when held C. Farther away from a positive source charge. D. Farther away from a negative source charge A. Closer to a positive source charge. B. Closer to a negative source charge. 3. What is the strength of the electric field if the electric potential is constant? С. Махimum A. Zero B. Constant D. Cannot be determined 4. When work is done on a positive test charge by an external force to move it from one location to another, (increases, decreases) and electric potential potential energy (increases, decreases). C. decreases, increases A. increases, increases B. increases, decreases D. decreases, decreases 5. The potential difference between the terminals of a connection wire is B. Infinity C. less than zero A. zero D. greater than zero 6. If 5 J of work is needed to shift 10C of charge from one place to another. The potential difference between the places should be В. 2 V C. 5V D. 10 V A. 0.5 V

2. A negative test charge would be at a high electric potential when held C. Farther away from a positive source charge. D. Farther away from a negative source charge A. Closer to a positive source charge. B. Closer to a negative source charge. 3. What is the strength of the electric field if the electric potential is constant? С. Махimum A. Zero B. Constant D. Cannot be determined 4. When work is done on a positive test charge by an external force to move it from one location to another, (increases, decreases) and electric potential potential energy (increases, decreases). C. decreases, increases A. increases, increases B. increases, decreases D. decreases, decreases 5. The potential difference between the terminals of a connection wire is B. Infinity C. less than zero A. zero D. greater than zero 6. If 5 J of work is needed to shift 10C of charge from one place to another. The potential difference between the places should be В. 2 V C. 5V D. 10 V A. 0.5 V

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

Electric Charges and Fields

One of the fundamental properties is the electromagnetic property. Charge cannot be destroyed by any process and this contributes formally to the law of charge conservation.

Question

2. A negative test charge would be at a high electric potential when held
A. Closer to a positive source charge.
B. Closer to a negative source charge.
C. Farther away from a positive source charge.
D. Farther away from a negative source charge
3. What is the strength of the electric field if the electric potential is constant?
C. Maximum
A. Zero
B. Constant
D. Cannot be determined
4. When work is done on a positive test charge by an external force to move it from one location to another,
_ (increases, decreases) and electric potential
potential energy.
_ (increases, decreases).
A. increases, increases
C. decreases, increases
B. increases, decreases
D. decreases, decreases
5. The potential difference between the terminals of a connection wire is
C. less than zero
A. zero
B. Infinity
D. greater than zero
6. If 5 J of work is needed to shift 10C of charge from one place to another. The potential difference between the
places should be
A. 0.5 V
В. 2 V
C. 5V
D. 10 V
7. A 50 µF has a potential difference of 8 V. What is its charge?
C. 4 x 104 C
A. 4 x 103C
В. 6.25 х 10* с
D. 6.25 x 10° C
8. A capacitor has a charge of 0.02 C when connected with a 0 V battery. The
A. 1 µF
capacitance is
B. 4 µF
C. 2 µF
D. 40 μΕ
9. A parallel plate capacitor has an energy of 2.5 J. It must be placed in a potential difference of
A. 150 V
B. 350 V
C. 500 V
D. 0.25 MV
10. Two 50 µF capacitor are connected in series. The equivalent capacitance of the combination
is
A. 25 µF
B. 100 μF
C. 50 uF
D. 200 µF
11. Two 50 µF capacitor are connected in parallel. The equivalent capacitance of the combination is
A. 25 µF
B. 100 μF
C. 50 uF
D. µF
12. What can dielectric do for the capacitors?
A. Decrease the value of C
C. Decrease the intensity of electric field.
B. Increase the value of C
D. Increase the intensity of electric field
13. The electric charge enclosed by the Gaussian surface is
A. Zero
B. positive
C. minimum
D. maximum
14. According to Gauss's Law, the electric field inside a charged conducting wire is
В. zero
C. maximum
C. infinity
D. cannot be determined

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