The flux in a magnetic core is sinusoidally varying at 200...

Home / Electronics And Communications Engineering / Network Theory And Analysis / Question

Examveda

The flux in a magnetic core is sinusoidally varying at 200 Hz. The maximum flux density is 2 Tesla and eddy current loss is 15 W. If the frequency is raised to 400 Hz and maximum flux density reduced to 1 Tesla, the eddy current loss will

A. Reduce to half

B. Get doubled

C. Reduce to one-fourth

D. Remain same

Answer: Option D

Related Questions on Network Theory and Analysis

A. Negative

B. Positive

C. Determined by battery e.m.f.

D. Zero

View Answer

A. The number of chords

B. The number of branches

C. Sum of the number of branches and chords

D. Sum of number of branches, chords and nodes

View Answer

A. Branch

B. Loop

C. Circuit

D. Junction

View Answer

A. Gas diode

B. Heater coil

C. Tunnel diode

D. Electric arc

View Answer