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electronic devices transistor bias circuits
1. The input resistance of the base of a voltage-divider biased transistor can be neglected
(A): at all times.
(B): at no time.
(C): only if the base current is much larger than the current through R2 (the lower bias resistor).
(D): only if the base current is much smaller than the current through R2 (the lower bias resistor).
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