GATE (Graduate Aptitude Test in Engineering) Instrumentation: Questions 77 - 80 of 85

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Question 77

Appeared in Year: 2014

Question

MCQ▾

For the given low-pass circuit shown in the figure, the Cutoff frequency in Hz will be ________.

The Low Pass Filter Using Operational Amplifier

Choices

Choice (4)Response

a.

69.50

b.

16.40

c.

15.39

d.

45.67

Question 78

Appeared in Year: 2014

Question

MCQ▾

For the circuit shown in the figure assume ideal diodes with zero forward resistance and zero forward voltage drop. The current through the diode in mA is________.

The Circuit Contains Two Ideal Diodes

Choices

Choice (4)Response

a.

b.

c.

d.

Question 79

Appeared in Year: 2013

Question

MCQ▾

Consider a delta connection of resistors and its equivalent star connection as shown. if all elements of the delta connection are scaled by a factor k, , the elements of the corresponding star equivalent will be scaled by a factor of

The Delta and Star Network with Three Resistors

Choices

Choice (4)Response

a.

b.

k

c.

d.

Question 80

Appeared in Year: 2014

Question

MCQ▾

For the op-amp shown in the figure, the bias current are nA and nA. The values of the input bias current and the input offset current are:

The Operational Amplifier with Input Bias Currents

Choices

Choice (4)Response

a.

b.

c.

d.

Developed by: