EC > GATE 2016 SET-1 > Diode Circuits
The following signal Vi of peak voltage 8 V is applied to the non-inverting terminal of an ideal opamp. The transistor has VBE=0.7 V and β=100. VLED=1.5 V, VCC=10 V and -VCC=-10 V.
The number of times the LED glows is
Correct : 3
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