 
			 
			MCQOPTIONS
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				| 1. | Mention the phase condition that leads to sustained oscillation | 
| A. | ∠-Aß =0 | 
| B. | All of the mentioned | 
| C. | ∠-Aß = multiple of 2π | 
| D. | ∠Aß = odd multiple of π | 
| Answer» C. ‚Äö√Ñ√∂‚àö‚Ć‚Äö√тĆ-A‚Äö√†√∂‚àö¬∫ = multiple of 2‚âà√¨‚àö√ë | |