 
			 
			MCQOPTIONS
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				| 1. | The internal power factor angle is given for a lagging load of a 3- phase alternator. | 
| A. | ψ = δ – θ | 
| B. | ψ = δ + θ | 
| C. | ψ = -δ -θ | 
| D. | ψ = δ -θ | 
| Answer» C. ‚âà√¨‚àö‚Ć = -‚âà√≠¬¨‚Ä¢ -‚âà√≠‚Äö√†√® | |