SSC JE Electrical 2019 with solution SET-1
 Identify the important feature of a DC series motor

High starting torque
Zero starting torque
Low starting torque
Medium starting torque

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SSC JE Electrical 2019 with solution SET-1
 Hysteresis loss is NOT a function of

Frequency
Steinmetz co-efficient of material
Ambient temperature
The volume of a material

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SSC JE Electrical 2019 with solution SET-1
 If dΦ is the luminous flux incident normally on an area dA, then Illuminance is given as

dΦ ⁄ dA
dΦ − dA
Φ × A
dA ⁄ dΦ

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SSC JE Electrical 2019 with solution SET-1
 Let T be the net torque developed by the rotor runs at ω rad/s. What is the mechanical power developed?

Pmech = ωT
Pmech = (ωT)/60
Pmech = (2πωT)
Pmech = (2πωT)/60

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