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In this post we are providing you MHT202 Quiz-3 Solution Fall 2022(23lec to 28lec) 100% correct or right solution. You’ll Download assignment Solution File From below download (Click Here For Download File) link interface
Open date feb 08, 2022
Close date feb 09, 2022
1.
Lenz’s
law is in accordance with law of conservation of
Energy…confirm
2.
Which
of the following types of electromagnetic radiation at the greatest speed in
vacuum?
All of these
travels at the same speed…..confirm
3.
Inductive
reactance XL of an inductor is
2(pi)fL….confirm
4.
Force
per unit charge is:
Electric
field intensity…confirm
5.
The
sum of electric and magnetic force is called
Lorentz
force…confirm
6.
Radio
waves and light waves are ______.
Electromagnetic and transverse
both…confirm
7.
Kirchhoff’s
1st rule is the manifestation of the law of conservation of
Charge…confirm
8.
Kirchhoff’s
2nd rule is the manifestation of the law of conservation of
Energy…confirm
9.
The
total energy in an circuit is 5.0 * 10-6 J. if L=25mH the maximum current is:
20mA…confirm
10. If Io is the peak value of an AC
supply, then its rms value is given as firms
Io/square
root2….confirm
11. The potential difference between
the ends of a conductor is 12V. How much electrical energy is converted to
other forms of energy in the conductor when 100C of charge flows through it?
1200J….confirm
12. A particle carrying a charge of 2e
falls through potential difference of 3V the energy acquired by it will be:
6
eV…confirm
13. An inductor may store energy in
its:
Magnetic field…confirm
14. The graphical representation of
Ohm’s law is:
Straight line…confirm
15. Radio waves and light waves are
_______.
Longitudinal
waves…confirm
16. The increase in capacitance of a
capacitor due to presence of dielectric is due to:
Electric
polarization
17. The Focal length of convex lens is:
Positive…confirm
18. The AC circuit in which current and voltage
are in phase the power factor is
1…confirm
19. The wavelength of red light is 700
nm. Its frequency is ______.
4.29*10^14 hertz…confirm
21.
The known laws of electromagnetism before James Clerk Maxwell were
following EXCEPT
Faraday’s Law…confirm
20. When some dielectric is inserted
between the plates of a capacitor, then capacitance;
Increased…..confirm
21. Which of the following is NOT the
characteristics of electromagnetic waves?
They can travel with different
speeds in vacuum depending on frequency…..confirm
22. If electric and gravitational force
on an electron in uniform electric field balance each other, then the intensity
of electric field will be:
Mg/q
23. The increase in capacitance of a
24. Electric energy is measured
WaTT…confirm
25. When we accelerate the charge,
which types of waves are produced
Electromagnetic waves….confirm
26. A particle device transmitted a
signal in the form of electromagnetic waves of frequency 7.5 * 108Hz. What is
the wavelength of the signal.
0.4m
27. A step-down transformer is used to:
Decrease the voltage
27. The quantity of deltaV/deltar is called
Potential gradient
28. Which electromagnetic radiation
transmits the highest photon energy?
Gamma
rays….confirm
29. The reaction of an particle at 50
Hz is 10.0 its reactance at 100Hz becomes
5.0
30. Work done on a charged particle
moving in uniform magnetic field is
Zero….confirm
31. Select the correct statement
Gamma Rays have higher frequency than infrared waves…confirm
32. Which of the following have the
greatest wavelength
Radio waves
33. Potentiometer can be used as
Potential
divider….confirm
34. All of the followings are the
different types of mental images; people generally experience them while close
their eyes Except:
Solving an algebra
equations
35. The nation that motivational state
of the organism is understood and explained in terms of positive and negative
environmental stimuli BEST connects to;
Incentive
approaches
36. If one wants to increase the
capacity of short-term memory, through which process more items can be held?
Chunking….confirm
37. Which physical quantity is produced
by a calculation where a charge is
Energy…confirm
38. The current in a car headlamp is
2.0 A. The Headlamp is switched an for 3.0
360 C
39. If potential difference across two
plates of a capacitor is doubled, then
Four times….comfirm
40. How could the unit of potential
difference the volt also be written?
J/C
41. If magnetic field is doubled then
magnetic energy density becomes
Four times….confirm
42. The primary of a 3.1 step-up
transformer is connected to a source and the secondary this situation is P. If
R is connected directly to the source it will dissipate a power of:
P/9….confirm
43. A particle having 2e charge falls through a
potential difference of 5.V energy acquired by it is
10 eV
44. A generator supplies 100V to the
primary call of a transformer. The primary has 50 turns and the secondary has
500 turns. The secondary voltage is
1000V
45. The combined effect of resistance
and reactance is known as
Impedance…confirm
46. A transparent refracting medium
bounded by the two curved surfaces called
Prism….confirm
47. A student rubs a rod held in his
hand. Which action causes the rod to gain a large electrostatic charge
Rubbing a
polythene rod with a woolen duster….confirm
48. A charge of 30 C flows through an
electric appliance in 2.0 minutes. What is the average current in the
appliance?
0.25A….confirm
51.
Total flux through a closed surface
depends on
Charge
and -N...confirm
49. Electromagnetic waves emitted from
antenna are
Transverse….confirm
50. Two parallel straight wires
carrying current in same direction will.
Attract each other…confirm
51. Charge carriers in electrolysis
are:
Positive and negative ions…confirm
52. Capacitive reactance XC is
1/2Ï€fC
53. The number of turns becomes double,
but length remain same then magnetic field in the solenoid become
Double…confirm
54. If velocity of a conductor moving through Magnetic field B is made zero then motional
emf is
-vBL
58.
The amplitude modulation frequency ranges from
540 kHz to 1600 kHz…confirm
from net
55. Average value of current and
voltage over complete cycle is:
Zero..confirm
56. A detector is used to detect the speed at a
particular wave if the frequency of an electromagnetic signal is 400 MHz, the
speed define the detector is
300000 km/s
57. The product of resistance and
capacitance is called
Time….confirm
58. Greenhouse gases absorb ____ radiation
Infrared…confirm
59. In RL series circuit phase angle is
given by:
tan – 1(wL/
R)…confirm
60. One tesla is equal to
N/Am
61. An LC series circuit an inductance L and a
capacitance C has an oscillation frequency f. Two inductors each with
inductance L, and two capacitors, each with capacitance C, are all wired in
series and the circuit is completed. The oscillation frequency is:
f…..confirm
62. Capacitance of a capacitor in vacuum is given
by
Aεo/d….confirm
63. Force on a charged particle is zero
when projected at angle with the magnetic field
0
degree….confirm
64. If an electron of charge is
accelerated through a potential difference V, it will acquire energy.
Ve….confirm
65. In case of metallic conductors, the charge
carriers are:
Electrons…confirm
66. Tesla is a unit of
Magnetic
flux….confirm
67. When a charge is projected
perpendicular to a uniform magnetic field, its path is:
Circular…..confirm
68. Electromagnetic waves do not transport
Charge….confirm
69. The concept of an electric field
lines is introduced by
Faraday….confirm
70. A capacitor in an LC oscillator has
a maximum potential difference of 15V and a maximum energy of 360 uJ. At a
certain instant the energy in the capacitor is 40 uJ. At that instant what is
the emf induced in the inductor
5V….confirm
71. The wave form of alternating voltage is a:
Sine wave….confirm
72. If velocity of a conductor moving
through a magnetic field B is made zero then motional emf is:
-vBL…confirm
72.
Which one of is in the order of decreasing frequency?
Ultraviolet rays,
visible light, radio waves…confirm
73. The lenz’s law refers to:
Induced
current….confirm
74. Which of the following statements is Not true about electromagnetic
waves?
The
electromagnetic radiation from a burning candle is polarized…confirm
75. Phase different between V and I of
on A.C through resistor is:
0 degree
76. Which of the following is
equivalent to 1 V
1
J/C…..confirm
77. Which of the following is
equivalent to one coulomb
One ampere
second….confirm
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