Phys102
Q1:
Ans:
Term: 131
Online HW-Ch24-Lec02
A total charge of 7 x 10-8 C is uniformly distributed throughout a non-conducting
sphere with a radius of 5 cm. The electric potential at the surface, r
Phys102
Term: 131
Online HW-Ch29-Lec01
Q1:
Four long straight wires carry equal currents into the page as shown. The magnetic
force on wire F is:
A.
B.
C.
D.
E.
north
east
south
west
zero
Ans:
B
Q2:
S
Phys102
Term: 131
Online HW-Ch20-Lec01
Q1:
The change in entropy is zero for:
A.
B.
C.
D.
E.
reversible adiabatic processes
reversible isothermal processes
reversible processes during which no work is
Phys102
Term: 131
Online HW-Ch29-Lec02
Q1:
The magnetic field B inside a long ideal solenoid is independent of :
A.
B.
C.
D.
E.
current
the core material
the spacing of the windings
the cross-sectiona
Phys102
Term: 131
Online HW-Ch30-Lec02
Q1:
The figure shows a bar moving to the right on two conducting rails. To make an
induced current i in the direction indicated, a constant magnetic field in reg
Phys102
Term: 131
Online HW-Ch23-Lec03
Q1:
Which of the following graphs represents the magnitude of the electric field as a
function of the distance from the center of a solid charged conducing spher
Phys102
Q1:
Term: 131
Online HW-Ch20-Lec03
A heat engine absorbs energy of magnitude |QH | as heat from a high
temperature reservoir, does work of magnitude |W|, and transfers energy of
magnitude |QL
Phys102
Term: 131
Online HW-Ch19-Lec02
Q1:
The temperature of a gas is most closely related to:
A.
B.
C.
D.
E.
the kinetic energy of translation of its molecules
its total molecular kinetic energy
the
Phys102
Term: 131
Online HW-Ch30-Lec01
Q1:
Faradays law states that an induced emf is proportional to:
A.
B.
C.
D.
E.
the rate of change of the magnetic field
the rate of change of the electric field
Phys102
Q1:
Term: 131
Online HW-Ch27-Lec02
A battery has an emf of 9 V and an internal resistance of 2. If the potential
difference across its terminals is greater than 9 V:
A.
B.
C.
D.
E.
it must be
Phys102
Term: 131
Online HW-Ch28-Lec03
Q1:
A square loop of wire lies in the plane of the page and carries a current I as shown.
There is a uniform magnetic field B parallel to the side MK as indicate
Phys102
Term: 131
Online HW-Ch18-Lec04
Q1:
The rate of heat flow by conduction through a slab is P cond . If the slab thickness is
doubled, its cross-sectional area is halved, and the temperature diff
Phys102
Term: 131
Online HW-Ch26-Lec01
Q1:
Two wires made of different materials have the same uniform current density. They
carry the same current only if:
A.
B.
C.
D.
E.
their lengths are the same
t
Phys102
Term: 131
Online HW-Ch25-Lec03
Q1:
Two parallel-plate capacitors with the same plate separation but different capacitance
are connected in parallel to a battery. Both capacitors are filled wit
Phys102
Term: 131
Online HW-Ch22-Lec01
Q1:
The diagram shows the electric field lines due to two charged parallel metal plates.
We conclude that:
A.
B.
C.
D.
E.
the upper plate is positive and the low
Phys102
Term: 131
Online HW-Ch29-Lec03
Q1:
A square loop of current-carrying wire with edge length a is in the xy plane, the origin
being at it center. Along which of the following lines can a charge
Phys102
Q1:
Term: 131
Online HW-Ch19-Lec01
273 cm3 of an ideal gas is at 0 C. It is heated at constant pressure to 10 C. It will
now occupy:
A.
B.
C.
D.
E.
263 cm3
273 cm3
283 cm3
278 cm3
293 cm3
Ans:
Phys102
Term: 131
Online HW-Ch18-Lec01
Q1:
The zeroth law of thermodynamics allows us to define:
A.
B.
C.
D.
E.
work
pressure
temperature
thermal equilibrium
internal energy
Ans:
XX (solution was not
Phys102
Term: 131
Online HW-Ch28-Lec01
Q1:
An electron moves in the positive x direction, through a uniform magnetic field in the
negative y direction. The magnetic force on the electron is:
A.
B.
C.
Phys102
Term: 131
Online HW-Ch26-Lec02
Q1:
The current is zero in a conductor when no potential difference is applied because:
A. the electrons are not moving
B. the electrons are not moving fast enou
Phys102
Term: 131
Online HW-Ch18-Lec03
Q1:
The change of the internal energy of a system depends on:
A- The amount of work W done by the system
B- The amount of work W done on the system
C- The amount
Phys102
Term: 131
Online HW-Ch23-Lec02
Q1:
Two large parallel plates carry positive charge of equal magnitude that is distributed
uniformly over their inner surfaces. Rank the points 1 through 5 accor
Phys102
Q1:
Term: 131
Online HW-Ch27-Lec03
In the circuit shown, both resistors have the same value R. Suppose switch S is
initially closed. When it is then opened, the circuit has a time constant .
C
Phys102
Q1:
Term: 131
Online HW-Ch24-Lec03
A particle with a charge of 5.5 108 C is fixed at the origin. A particle with a
charge of 2.3 108 C is moved from x = 3.5 cm on the x axis to y = 4.3 cm on
t
Phys102
Term: 131
Online HW-Ch20-Lec02
Q1:
An ideal gas is to taken reversibly from state i, at temperature T 1 , to any of the other
states labeled I, II, III, IV, and V on the p-V diagram below. All
Phys102
Term: 131
Online HW-Ch25-Lec02
Q1:
A battery is used to charge a parallel combination of two identical capacitors. If the
potential difference across the battery terminals is V and total charg
Phys102
Term: 131
Online HW-Ch16-Lec01
Q1:
In the diagram below, the interval PQ represents:
A. wavelength/2
B. wavelength
C. 2 x amplitude
D. period / 2
Ans:
D
E. period
Q2:
A wave has an angular fre
Newtons Laws of Motion
Abdulaziz Alaswad
Abdulaziz Alaswad
whenever one object exerts a force on a
second object, the second object exerts an
equal and opposite force on the first.
In shorter form:
To
Atoms and the Periodic Table
Abdulaziz Alaswad
Abdulaziz Alaswad
The origin of most atoms goes back to the birth of
the universe.
Hydrogen atoms H, the lightest atom, was the
original atom. It makes