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 226easy
In the particular form of frequency meter, 1p, F capacitor is conne ted across a symmetrical square wave signal of IV peak value. If the average value of the current taken by the capacitor, after full wave rectification is measured as 2 mA, then the frequency of the signal will be
Question 227easy
The meter constant of a single-phase 240 V induction wathour meter is 400 revolutions per kWh. The speed of the meter disc for a current of 10 amperes of 0.8 p.f. lagging will be
Question 228easy
A resistance strian guage with a guage factor of 3 is fastened to a steel member subjected to a stress of 100 N/mm2. The modulus of elasticity of steel is approximately 2 x 105 N / mm2. The percentage change in resistance is
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Question 229easy
Consider the following statements about LVDT as a transducer I. The relationship between input displacement and output voltage is almost linear 2. The range of displacement that can be measured is wide 3. It does not form a loading on the mechnical system. Of these stamtements
Question 230easy
An analog voltage signal whose highest significant is 1 kHz is to be digitally coded with a resolution of 0.01 % covering the voltage range of 0 to 10 volts. To avoid loss of information the MINIMUM number of bits in the digital code should be
Question 231easy
The A to D converter used in a digital instrument could be I. successive approximation coverter type 2. flash converter type 3. dual slope converter type.The correct sequence of the increasing order of the conversion time taken by these types is
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Question 232easy
Which one of the follwing terms is NOT associated with a sample-and-hold circuit?
Question 233easy
Two resistors R1 = 36 ohms and R2 = 75 ohms, each having tolerance of ? 5% are connected in series. The value of the resultant resistance will be