Created by StemPy LabA student says that the base plays a small part in a transistor. She argues that the base current is only about one per cent of the collector current. She adds that the collector current would be nearly the same if the base wire were cut. Which reply is correct?
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← Two signals of four bits each are applied to the two inputs of an XOR gate. The input A is 1010 and the input B is 1100, read from left to right. What is the output, bit by bit?A burglar alarm uses a buzzer of 250 Ω that is fed from a 10 V battery through a transistor of current gain 125. When the alarm rings, the transistor is saturated and keeps 0.2 V between its collector and emitter. How small can the base current be while the alarm still rings at full strength? →
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