Why bjt is called a bipolar and current controlled device

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Reference no: EM13253850

1)Why BJT is called a bipolar and current controlled device?

2)What are the different modes of operation in BJT and in which region it act as an amplifier?

3)Why Emitter is highly doped ,base lightly doped and collector moderately doped?

Reference no: EM13253850

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Why bjt is called a bipolar and current controlled device : 1)Why BJT is called a bipolar and current controlled device 2)What are the different modes of operation in BJT and in which region it act as an amplifier 3)Why Emitter is highly doped ,base lightly doped and collector moderately doped

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