• HOME
  • QUIZ
  • CONTACT US
EXAMIANS
  • COMPUTER
  • CURRENT AFFAIRS
  • ENGINEERING
    • Chemical Engineering
    • Civil Engineering
    • Computer Engineering
    • Electrical Engineering
    • Mechanical Engineering
  • ENGLISH GRAMMAR
  • GK
  • GUJARATI MCQ

SSC JE Electrical 2019 with solution SET-1

SSC JE Electrical 2019 with solution SET-1
 The power factor of an A.C. circuit is equal to

R/XL
R/XC
R/Z
Z/R

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

In electrical engineering, the power factor of an AC electrical power system is defined as the ratio of the real power flowing to the load to the apparent power in the circuit ” R/Z”.
 

SSC JE Electrical 2019 with solution SET-1
______ Opposes the change in circuit voltage

Inductance
Resistance
Capacitance
Inductive reactance

ANSWER DOWNLOAD EXAMIANS APP

SSC JE Electrical 2019 with solution SET-1
 In the circuit shown, if R = 0, then the phase angle between v(t) and i(t) is

60°
90°
0°
30°

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

In the given circuit if R = 0 then the circuit becomes purely inductive. So the phase angle between v(t) and i(t) is 90°.


SSC JE Electrical 2019 with solution SET-1
 An electric motor in which both the rotor and stator fields rotate with the same speed is called

Universal motor
Induction motor
Synchronous motor
DC motor

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

In the synchronous motor, the stator and rotor rotate at the same speed.
 

SSC JE Electrical 2019 with solution SET-1
 When the supply to the excitation fails, the synchronous generator acts like a/an

Induction generator
Induction motor
Synchronous motor
Synchronous generator

ANSWER DOWNLOAD EXAMIANS APP

SSC JE Electrical 2019 with solution SET-1
 Two coupled coils with L1 = L2 = 0.5H have a coupling coefficient of K = 0.75. The turn ratio N1 ⁄ N2 = ?

2
0.5
4
1

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

The self-inductance is given as
L = μN2A/I
L ∝ N2
where
N is the number of turns of the solenoid
A is the area of each turn of the coil
l is the length of the solenoid
and μ is the permeability constant
L1/L2 = N21/N22
0.5/0.5 = N21/N22
N1/N2 = 1
 

MORE MCQ ON SSC JE Electrical 2019 with solution SET-1

DOWNLOAD APP

  • APPLE
    from app store
  • ANDROID
    from play store

SEARCH

LOGIN HERE


  • GOOGLE

FIND US

  • 1.70K
    FOLLOW US
  • EXAMIANSSTUDY FOR YOUR DREAMS.
  • SUPPORT :SUPPORT EMAIL ACCOUNT : examians@yahoo.com

OTHER WEBSITES

  • GUJARATI MCQ
  • ACCOUNTIANS

QUICK LINKS

  • HOME
  • QUIZ
  • PRIVACY POLICY
  • DISCLAIMER
  • TERMS & CONDITIONS
  • CONTACT US
↑