DEE10133 CHAPTER 1 : DC METER
Authored by juhaliza nordin
Engineering
12th Grade
Used 2+ times
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15 questions
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1.
FILL IN THE BLANKS QUESTION
2 mins • 2 pts
Figure shows an internal resistance 100Ω and 5mA as a total current used in series ohmmeter with R1 = 300Ω, R2 = 200Ω and V = 9V. Hence, calculate the value of Rx.
(a)
2.
FILL IN THE BLANKS QUESTION
1 min • 2 pts
Name this circuit
(a)
3.
MULTIPLE CHOICE QUESTION
2 mins • 2 pts
In moving coil instrument consists of 110 turns wound on a square former length 1cm and 1.5cm wide. The flux density in the air gap is 0.07T. Determine the deflecting torque on the coil when carrying a current of 13mA
30µNm
15µNm
20µNm
45µNm
4.
MULTIPLE CHOICE QUESTION
1 min • 2 pts
Why the pointer oscillate?
Pointer torque
Controlling torque
Damping torque
Deflecting torque
5.
FILL IN THE BLANKS QUESTION
1 min • 2 pts
Calculate the sensitivity of a 200mA meter movement which is to be used as a DC voltmeter.
(a)
6.
FILL IN THE BLANKS QUESTION
1 min • 2 pts
Refer to the table, which meter that have less loading effect?
(a)
7.
FILL IN THE BLANKS QUESTION
2 mins • 2 pts
A PMMC instrument with a full scale deflection of 40μA and an internal resistance of 500Ω is used as a voltmeter. Determine the value of the multiplier resistance needed to measure a voltage range of 0-10V.
(a)
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