1
GATE ECE 2015 Set 2
Numerical
+2
-0
The diode in the circuit given below has VON = 0.7V but is ideal otherwise. The current (in mA) in the 4kΩ resistor is __________.
2
GATE ECE 2011
MCQ (Single Correct Answer)
+2
-0.6
In the circuit shown below, assume that the voltage drop across a forward biased diode is 0.7V. The thermal voltage Vt = kT/q = 25mV. The small signal input vi = VP cos ($$\omega t$$) where VP = 100mV. The bias current IDC through the diodes is
A
1 mA
B
1.28 mA
C
1.5 mA
D
2 mA
3
GATE ECE 2011
MCQ (Single Correct Answer)
+2
-0.6
In the circuit shown below, assume that the voltage drop across a forward biased diode is 0.7V. The thermal voltage Vt = kT/q = 25mV. The small signal input vi = VP cos ($$\omega t$$) where VP = 100mV. The ac output voltage vac is
A
0.25 cos($$\omega t$$)mV
B
1 cos($$\omega t$$)mV
C
2 cos($$\omega t$$)mV
D
22 cos($$\omega t$$)mV
4
GATE ECE 1999
MCQ (Single Correct Answer)
+2
-0.6
A dc power supply has a no-load voltage of 30V, and a full-load voltage of 25 V at a full-load current of 1A. Its output resistance and load regulation, respectively are
A
5Ω and 20%
B
25Ω and 20%
C
5Ω and 16.7%
D
25Ω and 16.7%
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