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Voltage ranges in a meter are _________(a) 5-10-15(b) 20-50-100(c) 0.5-1-1.5(d) 1-3-10I have been asked this question during an online interview.My question comes from Consideration in Selecting Voltmeter topic in division Electronic Instruments of Electrical Measurements

Answer»

Right choice is (d) 1-3-10

To elaborate: Meter scale will have a calibration of 1-3-10 for the VOLTAGE RANGE with a separation of 10 dB. It can ALSO be in the sequence of 1.5-5-15. We can also make USE of a single scale.



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