What does the space angle ‚âà√≠¬¨¬± in the equation Fr(‚âà√≠¬¨¬±,t)=3/2Fmcos(‚âà√≠¬¨¬±-‚âà√¨‚àö¬¢t) for MMF produced when 3-phase balanced windings excited by three phase balanced currents represent?$

Entire MMF waveform is travelling at (constant angular speed) synchronous speed

MMF wave at any moment is sinusoidally distributed in space

MMF wave is of constant amplitude

What does the space angle ‚âà√≠¬¨¬± in the equation Fr(‚

1.	What does the space angle ‚âà√≠¬¨¬± in the equation F_r(‚âà√≠¬¨¬±,t)=3/2F_mcos(‚âà√≠¬¨¬±-‚âà√¨‚àö¬¢t) for MMF produced when 3-phase balanced windings excited by three phase balanced currents represent?$
A.	MMF wave at any moment is sinusoidally distributed in space
B.	Entire MMF waveform is travelling at (constant angular speed) synchronous speed
C.	MMF wave is of constant amplitude
D.	None of the mentioned
Answer» B. Entire MMF waveform is travelling at (constant angular speed) synchronous speed

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What does the space angle ‚âà√≠¬¨¬± in the equation Fr(‚âà√≠¬¨¬±,t)=3/2Fmcos(‚âà√≠¬¨¬±-‚âà√¨‚àö¬¢t) for MMF produced when 3-phase balanced windings excited by three phase balanced currents represent?$
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What does the space angle ‚âà√≠¬¨¬± in the equation Fr(‚âà√≠¬¨¬±,t)=3/2Fmcos(‚âà√≠¬¨¬±-‚âà√¨‚àö¬¢t) for MMF produced when 3-phase balanced windings excited by three phase balanced currents represent?$

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What does the space angle ‚âà√≠¬¨¬± in the equation F_r(‚âà√≠¬¨¬±,t)=3/2F_mcos(‚âà√≠¬¨¬±-‚âà√¨‚àö¬¢t) for MMF produced when 3-phase balanced windings excited by three phase balanced currents represent?$