The common base current gain a1 varies with the emitter current IA and a2 varies with IK (IA + IG). If the a gate current is applied, this would increase IA and directly lead to an increase in gain. Therefore a regenerative effect results. The removal of the gate current will not cause the device to turn off.
Active vs. passive voice. In a sentence written in the active voice, the subject of sentence performs the action. In a sentence written in the passive voice the subject receives the action. Active: The candidate believes that Congress must place a ceiling on the budget. Passive: It is believed by the candidate that a ceiling must be placed on the budget by Congress.
Passive voice is the voice used when the subject is the recipient of the action. Strong writing uses active voice. Passive voice should only be used in the following instances: When intentionally hiding the subject of the sentence. For example, a politician might say, Mistakes were made..