SSC JE Electrical Engineering 2012 Paper

Question : 191 of 200

Marks: +1, -0

Following graph shows the loss characteristic of a sheet of ferromagnetic material against varying frequency f. Pi is the iron loss at frequency f. Hysteresis and eddy current losses of the sheet at 100 Hz are

10 W, 100 W
10 W, 50 W
1 W, 5 W
1 W, 10 W

Validate

Solution:

Hysteresis loss = 0.01 × 100 = 1W
Eddy current loss =

0.001 × (100)^2

= 10W

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