【Daily Question】Question from Issue 20150827
Thread Content
Participation reward: 2 Wealth. Reward for correct answer: 9 wealth. When a circuit is connected in positive feedback, the condition for generating sine wave oscillations is ( ). A. AF=1 B. AF=-1 C. |AF|=1 D. AF=0 New activities have started in the production area; the prizes are attractive, so come and participate quickly: 【Production in Summer】The production area has entered the \"train during the hot days\" mode
B, AF=-1 produces sine wave oscillations.
When the circuit is connected in positive feedback, the condition for generating sine wave oscillations is (c) A. AF=1 B. AF=-1 C. |AF|=1 D. AF=0
When the circuit is connected in positive feedback, the condition for generating sine wave oscillations is (C. |AF| = 1)
When the circuit is connected in positive feedback, the condition for generating sine wave oscillations is ( ). A. AF=1 B. AF=-1 C. |AF|=1 D. AF=0 C
When the circuit is connected in positive feedback, the condition for generating sine wave oscillations is (C)
C----------------------------------------------------