An n-p-n transistor has three leads a, b and c. Connecting b and c by moist fingers, a to the positive lead of an ammeter, and c to the negative lead of the ammeter, one finds large deflection. Then, a, b and c refer respectively to :
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a connected to positive and c connected with negative. So in NPN transistor ;
a connected to positive with respect to b; (AB junction reverse bias- cause less current)
b connected to positive with respect to c; (BC junction is forward bias-cuase more current)
It is called common base configuration in reverse saturation condition. It cause maximun deflection in ammeter.
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Given below.
Explanation:
An n-p-n transistor has three leads a, b and c. Connecting b and c by moist fingers, a to the positive lead of an ammeter, and c to the negative lead of the ammeter, one finds large deflection. Then, a, b and c refer respectively to :
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