12 010: An electron moves from point A to point B under the influence of an electrostatic force only. Theelectric potential difference between A and B is, VB - VA= 80 kV, the change in potential energy UB - UA is,in 10-15 J:(A)-14.4011: The voltage on 3 2 resistor is, in V.(B)-9.6(C)-12.8(D)-11.22.00 22www18.0 3.001.00V92S24.00 $2(A) 10.7(B) 28.4www(C) 2.0(D) 5.3012: If R=2 k2, C= 5 mF, &= 8 V, Q=20 mC, and I = 3 mA,what is the potential difference V-Va, in V:(A) 11(B) 12(C) 10013: Which is of the following units equivalent to T (Tesla)?(D) 9(A) N.S/C.n(B) A.m/NC.m²(C) C.m/N.S² (D) N/A.mQ14: What is the current passing through the 20-2 resistor when&= 40 V, in A?40 42301230 12L20 2(A) 0.43(B) 0.29(C) 0.57(D).0.71015: A battery with an emf of 16 V and internal resistance of 0.92 is connected across a load resistor R. Ifthe current in the circuit is 1.4 A, what is the voltage across the battery, in V?(A) 16.74(B) 14.74(C) 10.74(D) 12.74016: Charge of uniform density (4.5 nC/m²) is distributed on a surface of conducting sphere of radius Im.Determine the electric potential (relative to zero at infinity) at the center of the sphere, in V:(B) 565.0(C) 452.0(D) 395.5(A) 508.5017: Suppose you have two negative point charges. As you move them farther and farther apart, theinfinity:potential energythis system(B) remains zero(C) remains the same(D) decreases(A) increasesQ18: Two charges q, = 4pCand q2 = 10pC are located inside a spherical shell of radius R, the electric flux,in N ,through a spherical surface is?Nm²/c(C) 1.13(D) 0(B) 1.36(A) 1.58019: Calculate the total electric flux through the side surface (S) dueto a uniform electric field of magnitude E, in the direction shown inFigure?E(C)-nr²E₂(D) 2nr²E₂(Β) πr2 E(A) 0920: The figure shows two connected wires that are made of the same material. Thecurrent entering the wire on the left is 8 A and in that wire the electron drift speed isve What is the electron drift speed in the wire on the right side?2.0 mm(D) v/4(C) v 2(B) 2%(A) 4%a1.0 mmwww30 £2

Answered: Image /qna-images/answer/a44c92d9-2ee7-47ff-86ed-2c36f0459323.jpg

Answered: (A) 10.7 (B) 28.4 (C) 2.0 Q12: If R=2…

(A) 10.7 (B) 28.4 (C) 2.0 Q12: If R=2 k2, C= 5 mF, &-8 V, Q=20 mC, and I = 3 mA, what is the potential difference V-Va, in V: (A) 11 (B) 12 (C) 10 (D) 5.3 (D) 9 www ·||-|

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

010: An electron moves from point A to point B under the influence of an electrostatic force only. The
electric potential difference between A and B is, VB - VA= 80 kV, the change in potential energy UB - UA is,
in 10-15 J:
(A)-14.4
011: The voltage on 3 2 resistor is, in V.
(B)-9.6
(C)-12.8
(D)-11.2
2.00 22
www
18.0 3.00
1.00
V
92
S2
4.00 $2
(A) 10.7
(B) 28.4
www
(C) 2.0
(D) 5.3
012: If R=2 k2, C= 5 mF, &= 8 V, Q=20 mC, and I = 3 mA,
what is the potential difference V-Va, in V:
(A) 11
(B) 12
(C) 10
013: Which is of the following units equivalent to T (Tesla)?
(D) 9
(A) N.S/C.n
(B) A.m/N
C.m²
(C) C.m/N.S² (D) N/A.m
Q14: What is the current passing through the 20-2 resistor when
&= 40 V, in A?
40 42
3012
30 12
L
20 2
(A) 0.43
(B) 0.29
(C) 0.57
(D).0.71
015: A battery with an emf of 16 V and internal resistance of 0.92 is connected across a load resistor R. If
the current in the circuit is 1.4 A, what is the voltage across the battery, in V?
(A) 16.74
(B) 14.74
(C) 10.74
(D) 12.74
016: Charge of uniform density (4.5 nC/m²) is distributed on a surface of conducting sphere of radius Im.
Determine the electric potential (relative to zero at infinity) at the center of the sphere, in V:
(B) 565.0
(C) 452.0
(D) 395.5
(A) 508.5
017: Suppose you have two negative point charges. As you move them farther and farther apart, the
infinity:
potential energy
this system
(B) remains zero
(C) remains the same
(D) decreases
(A) increases
Q18: Two charges q, = 4pCand q2 = 10pC are located inside a spherical shell of radius R, the electric flux,
in N ,through a spherical surface is?
Nm²/c
(C) 1.13
(D) 0
(B) 1.36
(A) 1.58
019: Calculate the total electric flux through the side surface (S) due
to a uniform electric field of magnitude E, in the direction shown in
Figure?
E
(C)-nr²E₂
(D) 2nr²E₂
(Β) πr2 E
(A) 0
920: The figure shows two connected wires that are made of the same material. The
current entering the wire on the left is 8 A and in that wire the electron drift speed is
ve What is the electron drift speed in the wire on the right side?
2.0 mm
(D) v/4
(C) v 2
(B) 2%
(A) 4%
a
1.0 mm
www
30 £2

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