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Measurement and Instrumentation

Measurement and Instrumentation
The meter constant of an energy meter is 1500 rev/kWh, the disc makes 3000 revolution in a given time. The energy consumed is

4 kWh
2 kWh
3 kWh
1 kWh

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Measurement and Instrumentation
The pointer of an indicating instrument should be

Very light
None of the listed here
Very heavy
Either light or heavy

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Measurement and Instrumentation
A CRO probe has an impedance of 500 kΩ in parallel with a capacitance of 10 pF. The probe is used to measure the voltage between P and Q as shown in figure. The measured voltage will be

 3.53 V.
 4.54 V.
 4.38 V.
 5 V.

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Measurement and Instrumentation
The internal resistance of an ammeter should be

Medium
High
Very small
Infinity

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Measurement and Instrumentation
A spring-controlled moving iron voltmeter draws a current of 1 mA for full scale value of 100V. If it draws a current of 0.5 mA, the meter reading is

 50 V.
 100 V.
 200 V.
 25 V.

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Measurement and Instrumentation
A resistor of 10kΩhms with 5% tolerance is connected in parallel with a 5kΩhms resistor of 10% tolerance. What is the tolerance limit for the parallel network?

6.67%
10%
5%
8.33%

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MORE MCQ ON Measurement and Instrumentation

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