Questions 61–65 of 65. Imported answers require independent review unless marked reviewed.

Topic practice 65 questionsPage 7 of 7

Question 61

Open question
INNAT2 marksNeeds review
Consider the function

. The residue of

at

, is ______

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Question 62

Open question
INNAT2 marksNeeds review
In the circuit shown, the capacitance

F and inductance

mH and the diode is ideal. The capacitor is initially charged to 10 V and the current in the inductor is initially zero. If the switch is closed at

, the voltage

(in volts) across the capacitor at

s is ______ (round off to one decimal place)
Diagram for Instrumentation Engineering question 62


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Question 63

Open question
INNAT2 marksNeeds review
The bridge shown is balanced when

,

,

F, and

. The 2 kHz sine-wave generator supplies a voltage of 10 V

. The value of

(in millihenry) is ______ (round off to two decimal places)
Diagram for Instrumentation Engineering question 63


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Question 64

Open question
INNAT2 marksNeeds review
In the circuit shown, the switch is initially closed. It is opened at

and remains open thereafter. The time (in milliseconds) at which the output voltage

becomes LOW is ______ (round off to three decimal places)
Diagram for Instrumentation Engineering question 64


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Question 65

Open question
INNAT2 marksNeeds review
In the Wheatstone bridge circuit shown,

and

. The switch is initially open and the voltage between the points C and D is

. Upon closing the switch at

, the resistance in the arm AD changes by an amount

, and the voltage between C and D changes by

. The sensitivity of the bridge (in volt/kilohm), defined as

, is ________ (round off to two decimal places)
Diagram for Instrumentation Engineering question 65


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