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

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SSC JE Electrical 2019 with solution SET-1
 Two bulbs of rating 230V, 60W, and 230V, 100W are connected in parallel across supply mains, Identify the correct statement

Neither bulb will glow
The 100W bulb will glow brighter
Both will glow equally bright
The 60W bulb will glow brighter

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SSC JE Electrical 2019 with solution SET-1
Reflected Light/Incident Light =

Absorption factor
Waste light factor
Maintenance factor
Reflection factor

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SSC JE Electrical 2019 with solution SET-1
 The resistive component of the rotor with resistance R2 offered to the backward rotating flux wave in a single-phase motor runs with slip s is given as

R2 ⁄ (1 + S)
R2 ⁄ (2 − S)
R2 ⁄ S
R2 ⁄ (1 − S)

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