Transformers
The temperature rise of transformer is directly proportional to _______

None of the listed here
Leakage reactance
Apparent power
Reactive power

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Transformers
In case of 3-phase induction motors, plugging means

pulling the motor directly on line without a starter
locking of rotor due to harmonics
starting the motor on load which is more than the rated load
interchanging two supply phases for quick stopping

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