Electrician Mostly Asked MCQ PDF Part 6
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Electrician Mostly Asked MCQ PDF Part Six For RRB ALP/Technician CBT 2
Here we are providing mostly asked MCQ PDF of Electrician Trade For RRB ALP/Technician CBT 2 stage exam, It will be provide help to aspirants who are going to appear this exam .Next part will be upload tomorrow.
RRB ALP/Technician CBT 2 Online Test Series Will Be Start After Stage First Result.
1.When the dielectric is homogeneous, the potential gradient is
A. uniform
B. non-uniform
C. zero
D .any of these
Answer-A
2.The potential gradient across the material of low permittivity is than across the material of high permittivity.
A.. smaller
B .greater
C. both these
D. none of these
Answer-A
3. ________field is associated with the capacitor.
A. Electric
B. Magnetic
C. Both of these
D. None of these
Answer-A
Electrician Mostly Asked MCQ PDF Part 6
4.A capacitor having capacitance of 5 uF is charged to a potential difference of 10,000 V. The energy stored in the capacitor is
A.50 joules
B.150 joules
C.200 joules
D.250 joules
Answer-D
5.A single core cable used on 33000 V has conductor diameter 10 mm and the internal diameter of sheath 25 mm. The maximum electrostatic stress in the cable is
A.62 x 10⁵ V/m
B.72 x 10⁵ V/m
C.82 x 10⁵ V/m
D.92 x 10⁵ V/m
Answer-B
6.Two infinite parallel plates 10 mm apart have maintained between them a potential difference of 100 V. The acceleration of an electron placed between them is
A.0.56 x 10⁵ m/s²
B.1.5 x 10⁵ m/s²
C.1.6 x 10⁵ m/s²
D.1.76 x 10⁵ m/s²
Answer-D
Electrician Mostly Asked MCQ PDF Part 6
7.The total deficiency or excess of electrons in a body is known as
A. current
B. voltage
C. potential gradient
D. charge
Answer-D
8.The relative permittivity has the following units
A.F/m
B. m/F
C. Wb/m
D.no units
Answer-C
9.The phenomenon of an uncharged body getting charged merely by the nearness of a charged body is known as
A. pholoelectric effect
B. chemical effect
C. magnetic effect
C. induction
Answer-D
Electrician Mostly Asked MCQ PDF Part 6
10.A unit tube of flux is known as tube
A. Newton
B. Faraday
C. Michale
D. None of these
Answer-B
11.The number of Faraday tubes of flux passing through a surface in an electric field is called
A. electric flux
B. electric flux density
C. magnetic flux density
D. electric charge density
Answer-A
12.The unit of electric intensity is
A.N/C²
B. Wb/m²
C.N/C
D.N²/C
Answer-C
Electrician Mostly Asked MCQ PDF Part 6
13.The value of E within the field due to a point charge can be found with the help of
A. Faraday’s laws
B. Kirchhoff s laws
C. Coulomb’s laws
D. none of these
Answer-C
14.___at a point may be defined as equal to the lines of force passing normally through a unit cross section at that point.
A. Electric intensity
B. Magnetic flux density
C. Electric flux
D. None of these
Answer-A
15.Electric intensity at any point in an electric field is equal to the at that point.
A. electric flux
B. magnetic flux density
C. potential gradient
D. none of these
Answer-C
Electrician Mostly Asked MCQ PDF Part 6
16.Electric displacement is a______ quantity.
A. scalar
B. vector
C. both of these
D. none of these
Answer-B
17.____at a point is equal to the negative potential gradient at that point.
A. Electric intensity
B. Electric flux
C. Magnetic flux
D. Magnetic flux density
Answer-A
18.The unit of dielectric strength is given by
A.V/m
B.V²/m
C. m/V
D. m/V²
Answer-A
Electrician Mostly Asked MCQ PDF Part 6
19.Dielectric strength ______ with increasing thickness
A. increases
B. decreases
C. remains unaltered
D. none of these
Answer-B
20.The property of a capacitor to store electricity is called its
A. capacitance
B. charge
C. energy
D. none of the above
Answer-A
21.___ is that property of a capacitor which delays any change of voltage across it.
A. Inductance
B. Capacitance
C. Potential gradient
D .None of these
Answer-B
Electrician Mostly Asked MCQ PDF Part 6
22.A capacitance of 100 µF is connected in series with a resistance of 8000 Ohm. The time constant of the circuit is
A.0.2 s
B.0.4 s
C.0.6 s
D.0.8 s
Answer-D
23.In a cable capacitor, voltage gradient is maximum at the surface of the
A. earth
B. conductor
C. sheath
D. insulator
Answer-B
24.The time constant of an R-C circuit is defined as the time during which capacitor charging voltage actually rises to ______ percent of its______ value.
A.37, initial
B.63.2, initial
C.63.2, final
D.37, final
Answer-C
Electrician Mostly Asked MCQ PDF Part 6
25.The capacitance of a capacitor is influenced by
A. plate area
B .plate separation
C .nature of dielectric
D .all of these
Answer-D
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