In the opamp circuit shown, the Zener diodes Z_{1} and Z_{2} clamp the output voltage V_{o} to + 5 V or −5 V. The switch S is initially closed and is opened at time t = 0. The time t = t_{1} (in seconds) at which V_{o} changes state is ________.

GATE Electronics and Communications (EC) 2016 Shift 2 Solved Paper

Question : 50 of 65

Marks: +1, -0

In the opamp circuit shown, the Zener diodes

Z_{1}

and

Z_{2}

clamp the output voltage

V_{o}

+ 5 V

−5 V

. The switch S is initially closed and is opened at time t = 0.

The time

t = t_{1}

(in seconds) at which

V_{o}

changes state is ________.

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