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PYQs Based test 17: Electrical & Electronic Measurements
Medium 20 Questions 180 min 32 marks
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180 min · 32 marks · Full test mode with leaderboard
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Question No: 1Difficulty: mediumMarks: 1mcq
A Q meter is best suited for the measurement of the
Question No: 2Difficulty: mediumMarks: 1mcq
A voltage of 6 cos(100πt) V is fed as y-input to a CRO. The waveform seen on the screen of the CRO is shown in the figure. The Y and X axes settings for the CRO are respectively
Question No: 3Difficulty: mediumMarks: 1mcq
Disc in an induction type energy meter rotates in the opposite direction when
Question No: 4Difficulty: mediumMarks: 1nat
A 3 1/2 digit, rectifier type digital meter is set to read in its 2000 V range. A symmetrical square wave of frequency 50 Hz and amplitude ±100 V is measured using the meter. The meter will read _____
312
312
Question No: 5Difficulty: mediumMarks: 1nat
A coil is tested with a series type Q-meter. Resonance at a particular frequency is obtained with a capacitance of 110 pF. When the frequency is doubled, the capacitance required for resonance is 20 pF. The distributed capacitance of the coil in pico farad is ______.
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