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GATE 2023 Analog Electronics Quiz 67

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Question 1

In the figure shown below
If β of the transistor is assumed to be very high then value of Ic is _______ mA.

Question 2

In the circuit shown below, the Zener diode is ideal and the Zener voltage is 6V. The output voltage V0 (in volts) is ____________.
Description: D:\GradeStack Courses\GATE Tests (Sent by Ravi)\GATE EC 10-Mar\GATE-ECE-2015-Paper-1_files\image059.jpg

Question 3

Assume that the supply voltage in the figure shown below starts decreasing from 30 V to 0 V. The maximum supply voltage at which the Zener voltage loses its regulating ability is ______ V.

Question 4

The circuit shown below is a zener regulated DC power supply. The minimum value of RL for zener voltage regulation circuit_____kΩ
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Question 5

The linear voltage regulator is connected to a load resistor as shown in the figure below.

If then the power dissipation at the transistor is given by__________. (in Watt)

Question 6

The Zener regulator circuit shown below consists of Si based Zener diode and Ge diode. The cut-in Voltage of Ge diode is 0.2 Volts, whereas cut-in Voltage of Si-diode is 0.7 Volts.

The output voltage (Vo) of the Zener regulator circuit is

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