Voltage to Current Converter with Floating and Grounded Load – 1 MCQ’s

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This set of Linear Integrated Circuits Multiple Choice Questions & Answers (MCQs) focuses on “Voltage to Current Converter with Floating and Grounded Load – 1″.

1. Given voltage to current converter with floating load. Determine the output current?

Determine the output current for the given circuit

a) 3mA
b) 6mA
c) 4mA
d) 2mA

2. Which of the following application uses voltage to current converter?
a) Low voltage dc and ac voltmeter
b) Diode match finding
c) Light emitting diode
d) All of the mentioned

3. Voltage to current converter is also called as
a) Current series positive feedback amplifier
b) Voltage series negative feedback amplifier
c) Current series negative feedback amplifier
d) Voltage series positive feedback amplifier

4. The op-amp in low voltage DC voltmeter cannot be nullified due to
a) D’Arsonaval meter movement
b) Offset voltage compensating network
c) Selection of switch
d) Gain of amplifier

5. Higher input voltage can be measured in low voltage DC voltmeter using
a) Smaller resistance value
b) Higher resistance value
c) Random resistance value
d) All of the mentioned

6. How to modify a low voltage DC voltmeter to low voltage ac voltmeter
a) Add a full wave rectifier in the feedback loop
b) Add a half wave rectifier in the feedback loop
c) Add a square wave rectifier in the feedback loop
d) Add a sine wave rectifier in the feedback loop

7. What is the maximum input voltage that has to be selected to calibrate a dc voltmeter with a full scale voltage range of 1-13v.
a) ≤ ±14v
b) ≥ ±13v
c) ≤ ±15v
d) = ±14v

8. In the diagram given below, determine the deflection of the ammeter with a full scale deflection of 1mA when the switch is at X2kΩ. Consider resistance of the offset voltage compensating network to be 10Ω.

Determine the deflection of the ammeter with a full scale deflection of 1mA

a) Full scale deflection in the ammeter
b) Half scale deflection in the ammeter
c) Quarter scale deflection in the ammeter
d) No deflection occurs in the ammeter

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