# Electrician Mostly Asked MCQ PDF Part Six For RRB ALP/Technician CBT 2

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

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

3. ________field is associated with the capacitor.

A.Electric
B.Magnetic
C.Both of these
D.None of these

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

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

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

7.The total deficiency or excess of electrons in a body is known as

A.current
B.voltage
D.charge

8.The relative permittivity has the following units

A.F/m
B.m/F
C.Wb/m
D.no units

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

10.A unit tube of flux is known as tube

A.Newton
C.Michale
D.None of these

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

12.The unit of electric intensity is
A.N/C²
B.Wb/m²
C.N/C
D.N²/C

13.The value of E within the field due to a point charge can be found with the help of

B.Kirchhoff s laws
C.Coulomb’s laws
D.none of these

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

15.Electric intensity at any point in an electric field is equal to the at that point.

A.electric flux
B.magnetic flux density
D.none of these

16.Electric displacement is a______quantity.

A.scalar
B.vector
C.both of these
D.none of these

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

18.The unit of dielectric strength is given by

A.V/m
B.V²/m
C.m/V
D.m/V²

19.Dielectric strength ______ with increasing thickness

A.increases
B.decreases
C.remains unaltered
D.none of these

20.The property of a capacitor to store electricity is called its

A.capacitance
B.charge
C.energy
D.none of the above

21.___ is that property of a capacitor which delays any change of voltage across it.

A.Inductance
B.Capacitance
D.None of these

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

23.In a cable capacitor, voltage gradient is maximum at the surface of the

A.earth
B.conductor
C.sheath
D.insulator

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

25.The capacitance of a capacitor is influenced by

A.plate area
B.plate separation
C.nature of dielectric
D.all of these