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Question
Current needs to be sourced to the base of the transistor for operation in
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Solution
The correct option is D npn transistors
The construction of an npn transistor is shown. The voltage at the base terminal is positive and negative at the emitter terminal because of an npn transistor. The base terminal is always positive with respect to the emitter terminal, and also collector supply voltage is positive with respect to the emitter terminal.
In npn transistor, the collector is connected to the VCC through the load resistor RL. This load resistor limits the current flowing through the maximum base current. In this transistor, the movement of electrons through the base terminal that constitutes transistor action.
The main feature of the transistor action is the link between the input and output circuits. Because, the transistor amplifying properties come from the consequent control that the base employs upon the collector to emitter current.
The construction of an npn transistor is shown. The voltage at the base terminal is positive and negative at the emitter terminal because of an npn transistor. The base terminal is always positive with respect to the emitter terminal, and also collector supply voltage is positive with respect to the emitter terminal.
In npn transistor, the collector is connected to the VCC through the load resistor RL. This load resistor limits the current flowing through the maximum base current. In this transistor, the movement of electrons through the base terminal that constitutes transistor action.
The main feature of the transistor action is the link between the input and output circuits. Because, the transistor amplifying properties come from the consequent control that the base employs upon the collector to emitter current.
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