College Physics
10th Edition
ISBN:9781285737027
Author:Raymond A. Serway, Chris Vuille
Publisher:Raymond A. Serway, Chris Vuille
Chapter16: Electrical Energy And Capacitance
Section: Chapter Questions
Problem 46P: (a) Find the equivalent capacitance between points a and b for the group of capacitors connected as...
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Physics, pleaseeeeeeeee solve question 13

Transcribed Image Text: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
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(A) 10.7
(B) 28.4
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(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
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