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GATE EE 2021 : Measurement Quiz 1 (App update required to attempt this test)
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Question 1
A 
Digital voltmeter is accurate up to ±1% of reading plus 3 counts. When the voltmeter reads 1 V on 10 V range, the error in reading will be ____?
Digital voltmeter is accurate up to ±1% of reading plus 3 counts. When the voltmeter reads 1 V on 10 V range, the error in reading will be ____?Question 2
The waveform shown in the figure is observed on the screen of CRO.
If the virtual attenuation is set to 0.5V/div, and time TIME/Div control is set to 5μs/div, the frequency of the signal is
If the virtual attenuation is set to 0.5V/div, and time TIME/Div control is set to 5μs/div, the frequency of the signal is
Question 3
A CRO was used to observe a waveform of signal with amplitude 7unit. w=314rad/sec, phase angle of 60˚, shows sinusoidal nature. If the time line base setting is set to 7msec/div and CRO shows 3.5 cycles on screen. The number of division on CRO screen will be...
Question 4
The disc of a energy meter of 230 V, 5 A, 1-φ, 50 Hz having meter constant of 2400 rev/KWh and meter creeps at 1 rev/min, then find the error (in present) at full load with unity pf is __________%.
Question 5
In a CRT, 
electrons are accelerated through a potential difference of 10,000 V over a distance of 40 mm per minute ________ W is the average power supplied to the beam of electrons.
electrons are accelerated through a potential difference of 10,000 V over a distance of 40 mm per minute ________ W is the average power supplied to the beam of electrons. Question 6
From the two ammeters, we get I = 10A (±10%) and I2 = 8A (±5%).
If I1 = I – I2 = 2A. Estimate the relative error in the value of I1 (in % estimated
value)_____?
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Sep 25ESE & GATE EE
