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 = ?

1
4
2
0.5

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SSC JE Electrical 2019 with solution SET-1
 Identify the INCORRECT statement with regards to synchronous motors

It is a constant speed motor
The field winding is placed on the rotor
The armature winding is placed on the stator
It is a self-starting machine

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SSC JE Electrical 2019 with solution SET-1
The annual load factor of a generation station is equal to

(No. of units actually supplied per month) ⁄ (Max. possible demand × 8760)
(No. of units actually supplied per year) ⁄ (Max. possible demand × 8760)
(No. of units actually supplied per year) ⁄ (Max. possible demand)
(No. of units actually supplied per year) ⁄ (Max. possible demand)

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