base current उदाहरण वाक्य

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The biasing base currents needed to evoke the quiescent collector currents usually come from the ground, pass through the input sources and enter the bases.
Because internally the base and emitter connections behave like a semiconductor diode, a voltage drop develops between base and emitter while the base current exists.
If the source is capacitive, two resistors have to be connected between the two bases and the ground to ensure different paths for the base currents.
In this, the base currents I base1 and I base2 are related in the opposite way that V base1 and V base2 are related, in that

At low supply voltages ( typically 0.75 V and below ) the transistor requires a larger base current to maintain saturation as the collector current increases.
In this circuit, the voltage divider holds the base voltage fixed independent of base current provided the divider current is large compared to the base current.
For positive voltages, the collector current through resistor 32 is less than the emitter current, so the base current is high to make up the difference.
Some basic circuits can be designed by assuming that the emitter base voltage is approximately constant, and that collector current is beta times the base current.
In this circuit, the voltage divider holds the base voltage fixed independent of base current provided the divider current is large compared to the base current.