1 6
Print Assignment: Chap23 :
Chap23
1. Test Bank, Question 3
Consider Gauss' law:
Which of the following is true?
must be the electric field due to the enclosed charge
If q = 0 then
everywhere on the Gaussian surface
If the three particles inside have
Chapter 23, Concept Question 7
Remember that electric field is a vector. For each rod, did you find the el ectric field at the central point,
and add these as vectors?
Figure 23- 24 shows four situations in which four very long rods extend into and out of
Chapter 21, Concept Question 2
Figure 21-13 shows three pairs of identical spheres that are to be touched together and then
separated.
Your answer is correct.
(a) Rank the pairs according to the magnitude of the charge transferred during touching, greates
Chapter 25, Concept Question 3
(a) In Fig. 25-19a, are capacitors 1 and 3 in series?
yes
no
(b) In Fig. 25- 19a, are capacitors 1 and 2 in parallel?
yes
no
(c) Rank the equivalent capacitances of the
four circuits shown in Fig. 25-19, greatest
first.
a>b=
Conclusion
It is possible to experimentally determine the molarity of an unknown solution by using a
spectrometer to find absorptions of different variations of a known mixture, that is, different volumes of
H2O mixed with different volumes of the known s
Determining the Mole Ratios in a Chemical Reaction
Conclusion
It is possible to determine mole ratios in a chemical reaction experimentally through the
proper applications of stoichiometry and measuring temperature changes of solution mixtures. A
perfect
Determining the Mole Ratios in a Chemical Reaction
Conclusion
It is possible to determine mole ratios in a chemical reaction experimentally through the
proper applications of stoichiometry and measuring temperature changes of solution mixtures. A
perfect
PHY 241 (Section 14)
Experiment 4
Equilibrium of Particles Acted Upon by Several Forces
Objectives:
1. To analyze the concept of force as a vector that consists of a magnitude and a
direction.
2. To do vector addition of forces by analyzing information gr
PS 16 Exam 2
1.
Two parallel-plate capacitors with different capacitance but the
same plate separation are connected in series to a battery. Both capacitors are
filled with air. The quantity that is the same for both capacitors when they are
fully charged
Physics 117 B Sec 1 (Prof. Csorna) 2/1/07 TEST #1
Formulas and Constants:
1. An electron is projected with an initial velocity V0 =3.0 x 107m/s along the y-axis, which is the center
line between a pair of charged plates. The plates are 1.00 m long and are
% (0 out of 15 correct)
1. A 5.0-C point charge is placed at the center of a cube. The electric flux in N m2/C
through one side of the cube is:
A. 0
B. 7.1 104
C. 9.4 104
D. 1.4 105
E. 5.6 105
2. A 30-N/C uniform electric field points perpendicularly towa
1.
"The sum of the currents into a junction equals the
sum of the currents out of the junction" is a
consequence of:
A.
Newton's
third law
B.
Ohm's law
C.
Newton's second law
D.
conservation of energy
Eonservation of charge
c.
2.
"The sum of the emf's and
1.
A current of 0.5 ampere exists in a 60-ohm
lamp. The applied potential difference is:
A. 15 V
B. 30 V
C. 60 V
D. 120 V
E. none of these
2.
A certain x-ray tube requires a
current of 7 mA at a voltage of
80 kV. The rate of energy
dissipation (in watts)
AP Physics Chapter 24 Review Sheet
1. An electron moves from point i to point f, in the direction of a uniform electric field.
During this placement:
A) the work done by the field is positive and the potential energy of the electron-field
system increases
Determining the Mole Ratios in a Chemical Reaction
Conclusion
It is possible to determine mole ratios in a chemical reaction experimentally through the
proper applications of stoichiometry and measuring temperature changes of solution mixtures. A
perfect