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For a given amplifier circuit, to make transistor active as an amplifier, how much value of voltages to be kept for VBB battery and VCC battery?

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For a given amplifier circuit, to make transistor active as an amplifier, how much value of voltages to be kept for VBB battery and VCC battery?

(A) VBB = – 1V VCC = + 5V

(B) VBB = – 1V VCC = – 5V

(C) VBB = + 1V VCC = + 5V

(D) VBB = + 1V VCC = – 5V

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Best answer

The correct option is (C) VBB = + 1V VCC = + 5V.

Explanation:

Here given in NPN transistor. Hence to make it active as amplifies,

VBB and VCC both should be positive

∴ VBB = + 1V and VCC = + 5V

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