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Is the base current smaller or larger than the emitter current?

The base current of the emitter current is smaller.


The emmiter current of an n-p-n transistor is equal to?

The sum of (base current) plus (collector current).


What transistor current is always the largest?

In a bipolar junction transistor (BJT), the collector current (Ic) is always the largest of the three currents, which include the base current (Ib) and the emitter current (Ie). This is because the collector current is primarily influenced by the amplified current from the base, while the emitter current is the sum of the base and collector currents (Ie = Ib + Ic). In field-effect transistors (FETs), the drain current (Id) is typically the largest. Overall, in both types of transistors, the current flowing through the collector or drain is generally larger than that through the base or source.


Who collector base current when emitter is off?

When the emitter of a bipolar junction transistor (BJT) is off, the collector-base junction is typically reverse-biased, meaning that the collector current is minimal or negligible. In this state, the collector-base junction does not conduct significant current because the emitter does not provide carriers to the base. As a result, the collector current is effectively zero, and the transistor is in its cutoff region.


Why is the base current in transistor very small?

Because a transistor's collector current is proportionally limited by its base current, it can be used as a sort of current-controlled switch. A relatively small flow of electrons sent through the base of the transistor has the ability to exert control over a much larger flow of electrons through the collector.