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.Management Sciences
Category: Electronic instruments
A voltmeter should have ____________resistance?
A. Zero
B. Very high
C. Very low
D. None of the above
An ammeter should have_____________ resistance?
A. Infinite
B. Very large
C. Very low
D. None of the above
The horizontal plates of a CRO are supplied with _____________ to observe the waveform of signal?
A. Sinusoidal wave
B. Cosine wave
C. Sawtooth wave
D. None of the above
The sensitivity of a voltmeter which uses a 100 µA meter movement is ____________?
A. 1 kO/V
B. 10 kO/V
C. 5 kO/V
D. Data insufficient
A VTVM has_____________input resistance than that of a multi meter?
A. More
B. Less
C. Same
D. None of the above
The most accurate device for measuring voltage is ____________?
A. Voltmeter
B. Multimeter
C. CRO
D. VTVM
A VTVM is never used to measure ______________?
A. Voltage
B. Current
C. Resistance
D. None of the above
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