Give the relation between Ie, Ic and Ib. Also give the order of their

1.	Give the relation between Ie, Ic and Ib. Also give the order of their magnitude.
Answer» TION:Ie =Ib+Ic where Ie is proportional to both Ib and Ic.Thus, the VALUE of Ib and Ic can never be individually greater than that of Ie.Let ALPHA (a) be the proportionality constant between Ie and Ic andBeta (B) be the proportionality constant between Ib and IcTherefore, For Active Region,The collector junction is reversed biased (Jc) and the EMITTER junction (Je) is forward biasedTherefore Ic = Ie × a and Ic = Ib × bFor SATURATION region,Both Jc and Je are forward biasedTherefore,Ie(saturation) = aIe and Ic (saturation) =BIb.For Cut off region,Both Jc and Je are reversed biasedTherefore,Ib = Ic = Ie = 0

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Give the relation between Ie, Ic and Ib. Also give the order of their magnitude.

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