GATE (Graduate Aptitude Test in Engineering) Electronics & CE (EC): Questions 253 - 256 of 1602

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Question 253

Appeared in Year: 2001

Question MCQ▾

The inverting OP-AMP shown in the figure has an open loop gain of 100. the closed loop gain is

Inverting Operational Amplifier with Feedback &Input Resistors

Choices

Choice (4)Response

a.

b.

c.

d.

Edit

Question 254

Appeared in Year: 2005

Question MCQ▾

Both transistors and shown in the figure, have a threshold voltage of 1 Volts. The device parameters and of and are, respectively, and 9 . The output voltage is

Two Transistors Are Connected to Find the Output Voltage

Choices

Choice (4)Response

a.

2 V

b.

4 V

c.

1 V

d.

3 V

Edit

Question 255

Appeared in Year: 2005

Question MCQ▾

The Op-amp circuit shown in the figure is filter. The type of filter and its cut- Off frequency are respectively

The Circuit Consists of an Operational Amplifier Which Acts

Choices

Choice (4)Response

a.

High pass, 10000 rad/sec

b.

Low pass, 10000 rad/sec

c.

Low pass, 1000 rad/sec

d.

High pass, 1000 rad/sec.

Edit

Question 256

Appeared in Year: 2003

Question MCQ▾

The oscillator circuit shown in the figure has an ideal inverting amplifier. Its frequency of oscillation in Hertz is

The Oscillator Circuit with Three Resistors and Capacitors

Choices

Choice (4)Response

a.

b.

c.

d.

Edit