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  #2  
31st July 2014, 12:14 PM
Super Moderator
 
Join Date: Apr 2013
Re: RRB JE Electrical Exams Solved Question paper

Here I am giving you question paper for Railway recruitment board Junior engineering Electrical Examinaiton ..........

1. A resistance of 10 ohm is connected across a supply of 200V. If resistance R is now connected in parallel with a 10
ohm resistance, the current drawn from the supply gets doubled. The value of unknown resistance R is
(a) 5 ohm
(b) 20 ohm
(c) 10 ohm
(d) 15 ohm
Ans : c
2. Kirchhoff’s first law is also called as
(a) voltage law
(b) Current law
(c) Mesh Current law
(d) All the above
Ans : b
3. Find the total resistance when four 3 Ohm resistance are connected in series
(a) 3 ohm
(b) 12 ohm
(c) 14 ohm
(d) 8 ohm
Ans : b
4. The practical unit of power is
(a) Joule
(b) Ampere
(c) Watt
(d) Weber
Ans : c

5. Form factor of a sine wave is
(a) 1.414
(b) 1
(c) 0
(d) 1.11
Ans : d

6. The unit of resistance is
(a) Mho
(b) ohm-m
(c) Ohms
(d) Amps
Ans :c

7. Unit of impedance is
(a) Ampere
(b) Volt
(c) Ohm
(d) mho
Ans : c

8. The close path of the flux around any current carrying circuit is referred as
Circuit.
(a) Magnetic
(b) Electric
(c) Electromagnetic
(d) None of these
Ans : a

9. The current flowing in an electrical circuit is due to the existence of
(a) mmf
(b) emf
(c) Resistance
(d) Reluctance
Ans : b
10. The magnetic flux flow through a magnetic circuit is due to
(a) mmf
(b) emf
(c) Resistance
(d) Reluctance
Ans : a

11. The on-line UPS is also called as
a. Stand-by UPS
b. Line Interactive UPS
c. Off line UPS
d. Current line UPS
Ans. b
12. ________ is used to convert alternating current to direct current.
a. Transformer
b. Diode
c. Resistor
d. Transistor


RRB JE Electrical Exams Solved Question paper

RRB Junior Engineer (Electrical) Model Question Papers
1. A resistance of 10 ohm is connected across a supply of 200V. If resistance R is now connected in parallel with a 10
ohm resistance, the current drawn from the supply gets doubled. The value of unknown resistance R is
(a) 5 ohm
(b) 20 ohm
(c) 10 ohm
(d) 15 ohm
Ans : c
2. Kirchhoff’s first law is also called as
(a) voltage law
(b) Current law
(c) Mesh Current law
(d) All the above
Ans : b
3. Find the total resistance when four 3 Ohm resistance are connected in series
(a) 3 ohm
(b) 12 ohm
(c) 14 ohm
(d) 8 ohm
Ans : b
4. The practical unit of power is
(a) Joule
(b) Ampere
(c) Watt
(d) Weber
Ans : c
5. Form factor of a sine wave is
(a) 1.414
(b) 1
(c) 0
(d) 1.11
Ans : d
6. The unit of resistance is
(a) Mho
(b) ohm-m
(c) Ohms
(d) Amps
Ans :c
7. Unit of impedance is
(a) Ampere
(b) Volt
(c) Ohm
(d) mho
Ans : c
8. The close path of the flux around any current carrying circuit is referred as
Circuit.
(a) Magnetic
(b) Electric
(c) Electromagnetic
(d) None of these
Ans : a
9. The current flowing in an electrical circuit is due to the existence of
(a) mmf
(b) emf
(c) Resistance
(d) Reluctance
Ans : b
10. The magnetic flux flow through a magnetic circuit is due to
(a) mmf
(b) emf
(c) Resistance
(d) Reluctance
Ans : a
11. The on-line UPS is also called as
a. Stand-by UPS
b. Line Interactive UPS
c. Off line UPS
d. Current line UPS
Ans. b
12. ________ is used to convert alternating current to direct current.
a. Transformer
b. Diode
c. Resistor
d. Transistor
Ans. b
13. The supply voltage varies sinusoid ally and has a frequency __________ Hz.
a. 60
b. 50
c. 20
d. 10
Ans. b
14. Expression for magneto-motive force is
(a) N/I
(b) 1/NI
(c) I/N
(d) IN
Ans : d
15. Unit of mmf is
(a) Ampere /Volt
(b) Ampere- turns
(c) Volt
(d) Volt/Ampere
Ans : b
16. Magnetic field strength is equal to
(a) mmf. L
(b) L/ mmf
(c) mmf/ L
(d) 1/mmf.L
Ans : c
17. Peak inverse voltage of bridge rectifier is as that of centre-tap circuit.
a. Same
b. Twice
c. Half
d. Four times
Ans. c
18. Peak Resistance of the diode is increased when
a. Forward biased
b. Reverse biased
c. Both forward and reverse biased
d. Either a or b
Ans. b
19. The number of lines of force passing through the secondary coil S when unit current changes in the primary coil P
are called
(a) Self inductance
(b) Mutual inductance
(c) Self induction
(d) Mutual induction
Ans : c
20. Unit of flux
(a) Amp- turns
(b) Weber
(c) Volts
(d) Amps
Ans : b

Last edited by Arun Vats; 31st July 2014 at 01:10 PM.
  #3  
1st October 2014, 02:06 PM
Unregistered
Guest
 
Re: RRB JE Electrical Exams Solved Question paper

I want to download RRB JE previous year mechanical engg papers.
  #4  
19th November 2014, 11:48 AM
Junior Member
 
Join Date: Nov 2014
Re: RRB JE Electrical Exams Solved Question paper

ple send rrb je electrical previous qustion paper


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