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SSC JE Electrical 2018 with solution SET-1

SSC JE Electrical 2018 with solution SET-1
 Calculate the value of the resonant frequency (in kHz) of a tank circuit having the capacitance of 0.01 mF and inductance of 0.01 mH?

15.91
159.1
1.591
0.1591

ANSWER DOWNLOAD EXAMIANS APP

SSC JE Electrical 2018 with solution SET-1
 What will be the value of current (in A) in a 50 cm long air-core solenoid, if the value of the magnetic field at the center of the solenoid is 5 mT and the solenoid has 300 turns?

6.63
4.36
5.63
8.25

ANSWER DOWNLOAD EXAMIANS APP

SSC JE Electrical 2018 with solution SET-1
The speed of a synchronous motor can be changed by

Changing the frequency
Changing the supply voltage
Changing the load
Changing the supply Terminals

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

The speed of the synchronous motor is given as
Ns = 120f/P
Therefore by changing the number of poles and frequency, we can change the speed of the synchronous motor.

SSC JE Electrical 2018 with solution SET-1
 The resistivity of a conductor depends upon

Temperature
Pressure
Shape of cross-section
Degree of Illumination

ANSWER DOWNLOAD EXAMIANS APP

SSC JE Electrical 2018 with solution SET-1
 What is the bandwidth (in kHz) of a series RLC circuit having the resistance, inductance, and capacitance of 80 Ohms, 2 mH, and 0.01 mF respectively?

10
80
20
40

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

Given Resistance “R” = 80 ΩCapacitance “C” = 0.01 mFInductance “L” = 2 mH = 2 × 10-3
The bandwidth of the series RLC circuit is given as
B.W = R/L
B.W = 80 ⁄ (2 × 10-3)
B.W = 40 Hz
 


SSC JE Electrical 2018 with solution SET-1
 A delta connected 3-phase circuit has three resistance of 36 Ohms in each phase. What is the value of per phase resistance (in ohms) of the equivalent star connected circuit?

36
12
108
84

ANSWER DOWNLOAD EXAMIANS APP
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