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Measurement And Instrumentation MCQ Questions & Answers | ECE

Learn Measurement And Instrumentation MCQ questions & answers are available for a Electronics and Communications Engineering(ECE) students to clear GATE exams, various technical interview, competitive examination, and another entrance exam. Measurement And Instrumentation MCQ question is the important chapter for a Electronics and Communications Engineering(ECE) and GATE students. Page-1 section-4

Each section contains 100 MCQs on Measurement and Instrumentation .
1
A 500 mA voltmeter is specified to be accurate with ±2%. Then, what is the limiting error when instrument is used to measure 300 mA?
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Answer: Option D
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2
With the signal generator frequency of a Q meter set to 1.25 MHz, the Q of a coil is measured as 98 when Capacitance C = 147 pF. Then the coil inductance and resistance would be
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Answer: Option C
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3
Which one of the following meters has maximum loading effect on the circuit under measurement?
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Answer: Option B
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4
Which is not an active transducer
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Answer: Option B
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5
The current flowing through the resistor R is as indicated in the given figure. The computed value of power is
Measurement and Instrumentation mcq question image
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Answer: Option C
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6
A special voltmeter can be devised which can measure the amplitude of a signal at two points in a circuit and simultaneously measure the phase difference between the voltage waveforms at these two points. Such a meter would be a
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Answer: Option C
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7
A heater element is made of nichrome wire having resistivity equal to 100 × 10-8 Ωm and diameter of 0.4 mm. The length of the wire required to get a resistance of 40 Ω will be nearly
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Answer: Option C
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8
The primary current in a current transformer is dedicated by
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Answer: Option C
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9
The power factor meter has
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Answer: Option B
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10
Which one of the following is the correct statement?
Active probe used in a CRO
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Answer: Option A
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