1
GATE EE 2013
+2
-0.6
In the circuit shown below, the knee current of the ideal Zener diode is $$10$$ $$mA.$$ To maintain $$5 V$$ across $${R_L}$$, the minimum value of $${R_L}$$ in $$\Omega$$ and the minimum power rating of the Zener diode in $$mW$$ respectively are
A
$$125$$ and $$125$$
B
$$125$$ and $$250$$
C
$$250$$ and $$125$$
D
$$250$$ and $$250$$
2
GATE EE 2013
+2
-0.6
A voltage $$1000\sin \omega t$$ Volts is applied across $$YZ.$$ Assuming ideal diodes, the voltage measured across $$WX$$ in Volts is
A
$$\sin \omega t$$
B
$$\left( {\sin \omega t + \left| {\sin \omega t} \right|} \right)/2$$
C
$$\left( {\sin \omega t - \left| {\sin \omega t} \right|} \right)/2$$
D
$$0$$ for all $$t$$
3
GATE EE 2013
+1
-0.3
In the circuit shown below what is the output voltage $$\left( {{V_{out}}} \right)$$ in Volts If a silicon transfer $$Q$$ and an ideal op-amp are used?
A
$$-15$$
B
$$-0.7$$
C
$$+0.7$$
D
$$+15$$
4
GATE EE 2013
+2
-0.6
In the circuit shown below the op-amps are ideal. Then $${V_{out}}$$ in Volts is
A
$$4$$
B
$$6$$
C
$$8$$
D
$$10$$
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