Electrical And Electronic Measurement MCQs
Practice free Electrical And Electronic Measurement multiple-choice questions with instant answer feedback and step-by-step solutions. Click an option to check yourself, reveal the full explanation, and work through all 288 questions — no login required.
Question 235easy
An LVDT is used to measure displacemnt. The output of the LVDT is connected to a voltmeter of range 0 to 5 V through an amplifier having a gain of 250. For a displacement of 0.5 mm, the output of the LVDT is ? mV. The sensitivity of the instrument would be
Question 236easy
It is required to measure temperature in the range of 1300?C to 1500?C. The most suitable thermocouple to be used as a transducer would be
Question 237easy
Strain sensing trandsucers are mode of various materials in various sizes and shapes. The sensitivity of a strain gauge is expressed in terms of a gauge factor. For a certain application, a guage factor of 100 is desired. The proper strain gauge to be used in this case would be
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Question 238easy
An angular position is to be measured using transducer. Which of the following types of tranducers can be used for this purpose? 1. Circular potentiometer. 2. LVDT 3. E-pick off 4. Synchro. Select the correct given below Codes :
Question 239easy
In a linear, an input of 5 sin cut produces an output of 10 cos wt. The output corresponding to input 10 cos tot will be used to
Question 240easy
Two resistance 100 and 150 are connected in series. If the errors are specified as standard deviations, the resultant error will be
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Question 241easy
A sinusoidal waveform, when observed on an oscilloscope, has a peak to peak amplitude of 6 cm. If the vertical sensitivity setting is 5 V/ cm, the rms value of the voltage will be
Question 242easy
In the two-wattmeter method of measuring power in a balanced three-phase circuit, one wattmeter shows zero and the other positive maximum. The load power factor is
Question 243easy
A 35 V dc supply is connceted across a resistance of 600 ohm is series with an unknown resistance R. A voltmeter having a resistance of 1.2 k-ohm is connected across 600 ohm resistance and reads 5V The value of resistance R. will be