Q1. Choose the correct answer: 1- Point charges 30 nC, -20 nC, and 10 nC are located at (-1,0,2), (0,0,0), and (1,5, - 1), respectively. The total flux leaving a sphere of radius 4m centered at the origin is: a) -20 nC b) 10 nC c) 20 nC d) 30 nC 2- The electric field at the outside of coaxial cable is: a) 0 b) 1 c) 2 d) 3 y 2 3-Convert the point (3,4,5) from Cartesian to spherical coordinates a) (7.07,450,530) b) (0.707,450,530) c) (7.07,540,63°) d) (0.707,54º,63º) 4- Compute the divergence of the vector xax + y ay+z az. 714 ay G2 a) 0 b) 1 c) 2 d) 3 5- The cross product of AXA (where A is a vector) is a) 1 b) 0 c) A² d) 2A 0 Ostan A y 7.12 54 (52-23) 4x- 6- A circular disc of radius 5m with a surface charge density ps 10sino is inside closed surface. a) 3 What is the b) 2 c) 1 d) 0 = net flux susas (losing) r crossing the 25[ 5 surface? 7- The angular separation between the vectors A = 4 ax + 3ay + 5a, and B = ax - 2ay + 2a₂ is (in degrees) a) 65.8 b) 66.8 c) 67.8 d) 68.8 8- If H-y²z ax+2(x+1)yz ay- (x+1)z az A/m, then calculate J at (1,0,-3) a) 9 ay b) 8 ay c) 9 ax d) 8 az сохи 9- If vector A=(y cos ax) ax+(y+e*) a². Find the curl of A at the origin. a) ax-ay b) ax-ay-az c) ax+ay-az d) ax-ay+az 10- If V=esin y. cos z, find the VV at the origin a) 3 az b) ay c) 2 ax d) ax+ay (1,0,-3) ele - 42 (20marks)
Q1. Choose the correct answer: 1- Point charges 30 nC, -20 nC, and 10 nC are located at (-1,0,2), (0,0,0), and (1,5, - 1), respectively. The total flux leaving a sphere of radius 4m centered at the origin is: a) -20 nC b) 10 nC c) 20 nC d) 30 nC 2- The electric field at the outside of coaxial cable is: a) 0 b) 1 c) 2 d) 3 y 2 3-Convert the point (3,4,5) from Cartesian to spherical coordinates a) (7.07,450,530) b) (0.707,450,530) c) (7.07,540,63°) d) (0.707,54º,63º) 4- Compute the divergence of the vector xax + y ay+z az. 714 ay G2 a) 0 b) 1 c) 2 d) 3 5- The cross product of AXA (where A is a vector) is a) 1 b) 0 c) A² d) 2A 0 Ostan A y 7.12 54 (52-23) 4x- 6- A circular disc of radius 5m with a surface charge density ps 10sino is inside closed surface. a) 3 What is the b) 2 c) 1 d) 0 = net flux susas (losing) r crossing the 25[ 5 surface? 7- The angular separation between the vectors A = 4 ax + 3ay + 5a, and B = ax - 2ay + 2a₂ is (in degrees) a) 65.8 b) 66.8 c) 67.8 d) 68.8 8- If H-y²z ax+2(x+1)yz ay- (x+1)z az A/m, then calculate J at (1,0,-3) a) 9 ay b) 8 ay c) 9 ax d) 8 az сохи 9- If vector A=(y cos ax) ax+(y+e*) a². Find the curl of A at the origin. a) ax-ay b) ax-ay-az c) ax+ay-az d) ax-ay+az 10- If V=esin y. cos z, find the VV at the origin a) 3 az b) ay c) 2 ax d) ax+ay (1,0,-3) ele - 42 (20marks)
Introductory Circuit Analysis (13th Edition)
13th Edition
ISBN:9780133923605
Author:Robert L. Boylestad
Publisher:Robert L. Boylestad
Chapter1: Introduction
Section: Chapter Questions
Problem 1P: Visit your local library (at school or home) and describe the extent to which it provides literature...
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Transcribed Image Text:Q1. Choose the correct answer:
1- Point charges 30 nC, -20 nC, and 10 nC are located at (-1,0,2), (0,0,0), and (1,5, - 1),
respectively. The total flux leaving a sphere of radius 4m centered at the origin is:
a) -20 nC
b) 10 nC
c) 20 nC
d) 30 nC
2- The electric field at the outside of coaxial cable is:
a) 0 b) 1 c) 2
d) 3
y 2
3-Convert the point (3,4,5) from Cartesian to spherical coordinates
a) (7.07,450,530) b) (0.707,450,530) c) (7.07,540,63°) d) (0.707,54º,63º)
4- Compute the divergence of the vector xax + y ay+z az.
714
ay
G2
a) 0
b) 1
c) 2
d) 3
5- The cross product of AXA (where A is a vector) is
a) 1
b) 0 c) A² d) 2A
0
Ostan
A
y
7.12
54
(52-23) 4x-
6- A circular disc of radius 5m with a surface charge density ps 10sino is inside closed
surface.
a) 3
What
is
the
b) 2 c) 1
d) 0
=
net
flux
susas (losing) r
crossing
the
25[
5
surface?
7- The angular separation between the vectors A = 4 ax + 3ay + 5a, and B = ax - 2ay + 2a₂ is
(in degrees)
a) 65.8 b) 66.8 c) 67.8 d) 68.8
8- If H-y²z ax+2(x+1)yz ay- (x+1)z az A/m, then calculate J at (1,0,-3)
a) 9 ay b) 8 ay c) 9 ax d) 8 az
сохи
9- If vector A=(y cos ax) ax+(y+e*) a². Find the curl of A at the origin.
a) ax-ay b) ax-ay-az c) ax+ay-az d) ax-ay+az
10- If V=esin y. cos z, find the VV at the origin
a) 3 az b) ay c) 2 ax d) ax+ay
(1,0,-3)
ele
-
42
(20marks)
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