| 1. | A voltmeter must have very high internal resistance so that ? | |
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Accuracy is high
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Resolution is high
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Draws small amount of current
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Creates high loading effect circuit
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Report Question| 2. | Errors which may be variable both in magnitude and nature (positive or negative) are classified as ............. error ? | |
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Hysteresis
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Random
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Interaction
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Systematic
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| 3. | The use of ........ instruments is merely confined within laboratories instruments. as standardizing ? | |
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Absolute
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Indicating
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Recording
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Integrating
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| 4. | To reduce the loading effect, an instrument must possess ? | |
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Zero input impedance
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Unit input impedance
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High input impedance
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Low input impedance
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| 5. | An oscilloscope is basically designed to convert ? | |
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Visual signals to electrical signals
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Sound signals to electrical signals
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Electrical signals to visual signals
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Sound signals to visual signals
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| 6. | A CRO cannot be used for direct measurement of CRO ? | |
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Voltage
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Current
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Frequency
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Power
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| 7. | The accuracy of null type instruments generally ............ Deflection type instruments ? | |
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equal to
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less than
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greater than
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uncomparable to
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| 8. | Which of the following essential features is possessed by an indicating instrument ? | |
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Deflecting device
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Controlling device
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Damping device
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Deflecting, Controlling & Damping device
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| 9. | A measure of reproducibility of measurement is known as ? | |
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resolution
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fidelity
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precision
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accuracy
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| 10. | Electrostatic instrument measures ? | |
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DC and AC Voltage only
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DC and AC Current only
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DC and AC Current and Voltage both
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DC Voltage only
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