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4 cards from this section. Quick, good the night before a test.
What is the formula for input resistance when multiple resistances are involved?
Think about how resistances in parallel work.
Define what feedback factor (β) represents.
Consider its role in feedback systems.
What does input resistance determine in a feedback system?
Focus on interactions between input and output.
True or false: Changing output resistance does not impact system stability.
Reflect on driving capabilities of your circuit.
You have a feedback system with an input resistance of 10Ω and a feedback factor β of 0.1. If the output resistance changes from 5Ω to 10Ω, how would the supplied current change?
Use the relationship between voltage, current, and resistance to assess changes.
If you were to incorporate a new parallel resistor of 4Ω in a feedback loop where the initial input resistance is 12Ω, what would be the new input resistance?
Remember to compute the equivalent resistance first before determining the new input value.
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