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GATE-19: Electrical Measurement & Measuring Instrument Quiz-5
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Question 1
Low resistance is measured with
Question 2
In which of the following method for measuring high resistances, a capacitor is employed to find the value of unknown resistance, Where the value of unknown Resistance will be
Question 3
The circuit shown below is a series type ohmmeter for measuring an unknown resistance 
. 
What is the purpose served by the shunt resistor R2?
Question 4
Resistance measurement can be done using the substitution method, as shown below.
The unknown resistance ‘R’ is measured equal to the:
The unknown resistance ‘R’ is measured equal to the:
Question 5
Find the resistance to be connected in series to extend the range of voltmeter if a multi-range DC voltmeter requires 8 mA to give full-scale deflection; its resistance is 8Ω’s. The ranges are (i) (0–10 )V
(ii) (0-30) V
(ii) (0-30) V
Question 6
The readings given below were obtained during the measurement of a low resistance using a potentiometer: Voltage drop across a 0.3 Ω standard resistance = 1.0567 V Voltage drop across the low resistance under test = 0.2305 V Calculate the value of unknown resistance and power loss in it.
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Jun 25ESE & GATE EE
