SSC JE Electrical 2019 with solution SET-1
 What would the total loss of the 2kVA transformer corresponding to maximum efficiency be, provided the transformer has the iron of 150 W and full-load copper loss of 250W?

500 W
100 W
400 W
300 W

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SSC JE Electrical 2019 with solution SET-1
 The average value of a sinusoidal wave is:

2 × maximum value
√2 × maximum value
0.637 × maximum value
0.5 × maximum value

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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

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

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