IndiaBIX

Electrical Engineering - Magnetism and Electromagnetism

Exercise : Magnetism and Electromagnetism - General Questions
21.
An electromagnetic field exists only when there is
an increasing current
decreasing current
voltage
current
Answer: Option
Explanation:
No answer description is available. Let's discuss.
22.
When a solenoid is activated, the force that moves the plunger is
an electromagnetic field
a permanent magnetic field
varying voltage
a steady current
Answer: Option
Explanation:
No answer description is available. Let's discuss.
23.
What is the magnetomotive force (mmf) of a wire with 8 turns carrying three amperes of current?
2,400 At
240 At
24 At
2.4 At
Answer: Option
Explanation:
No answer description is available. Let's discuss.
24.
If a loop in a basic dc generator suddenly begins rotating at a faster speed, the induced voltage
remains unchanged
reverses polarity
increases
decreases
Answer: Option
Explanation:
No answer description is available. Let's discuss.
Quick links
Quantitative Aptitude
Verbal (English)
Reasoning
Programming
Interview
Placement Papers