GATE (Graduate Aptitude Test in Engineering) Instrumentation: Questions 65 - 67 of 85

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Question number: 65

» Analog Electronics » Operational Amplifiers

Appeared in Year: 2014

MCQ▾

Question

Assuming an ideal op-amp in linear range of operation, the magnitude of the transfer impedance in of the current to voltage converter shown in the figure is ________.

The ideal operational amplifier in a linear range of operation

The Ideal Operational Amplifier in a Linear Range of Operation

The ideal operational amplifier in a linear range of operation to find the magnitude of the transfer function.

Choices

Choice (4) Response

a.

0.6

b.

0.4

c.

0.7

d.

0.5

Question number: 66

» Analog Electronics » Characteristics and Circuit Configurations

Appeared in Year: 2014

MCQ▾

Question

In the circuit shown in the figure, initially the capacitor is uncharged. The switch ‘S’ is closed at . Two milliseconds after the switch is closed, the current through the capacitor (in mA) is________.

Switch to control the charging & discharging of the capacitor

Switch to Control the Charging & Discharging of the Capacitor

The circuit controls switch to control the charging and discharging of the capacitor.

Choices

Choice (4) Response

a.

4.54

b.

1.51

c.

3.53

d.

2.52

Question number: 67

» Analog Electronics » BJT, JFET and MOSFET

Appeared in Year: 2014

MCQ▾

Question

In the figure, transistors and have identical characteristics. Of transistor is the voltage is high enough to put in saturation. Voltage of transistors is 0.7V. The value of in V is________.

The three transistors with resistors with voltage supply

The Three Transistors With Resistors With Voltage Supply

The three transistors with resistors with voltage supply

Choices

Choice (4) Response

a.

5.68

b.

1.24

c.

6.89

d.

3.45

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