AC emitter resistance equals 25 mV divided by the—

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AC emitter resistance equals 25 mV divided by the—

1. Quiescent base current
2. DC emitter current
3. AC emitter current
4. Change in collector current

Correct Option: B

The AC emitter resistance,

Y_e =	V_T
	I_E

or Y_e =	25 mV
	I_E

Where, Y_e = AC emitter resistance
I_E = DC emitter current