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Measurement and Instrumentation

Measurement and Instrumentation
A permanent magnet moving coil ammeter is connected in 50 Hz a. c. Circuit in which 5A current is flowing. The meter will read

5 A
None of the listed here
0 A
2.5 A

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Measurement and Instrumentation
A DC potentiometer is designed to measure up to about 2V with a slide wire of 800 mm. A standard cell of emf 1.18 V obtains balances at 600 mm. A test cell is seen to obtain balance at 680 mm. The emf of test cell is

 1.34 V.
 1 V.
 1.7 V.
 1.5 V.

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Measurement and Instrumentation
The coil of a moving iron instrument has a resistance of 500 ohm and inductance of 1 H. It reads 250 V when a 250 V DC is applied. It series resistance is 2000 ohms its reading when fed by 250 V, 50 Hz AC will be

 252 V.
 248 V.
 260 V.
 250 V.

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Measurement and Instrumentation
For the AC bridge circuit shown in figure at balance the value of Rd will be

 (Rb/Rc).Ra.
 (Ra/Rc).Rb.
 (Rc/Rb).Ra.
 (Rc/Ra).Rb.

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Measurement and Instrumentation
When a capacitor was connected to the terminal of ohmmeter, the pointer indicated a low resistance initially and then slowly came to infinity position. This shows that capacitor is

Short-circuited
All right
Faulty
None of these

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Measurement and Instrumentation
A 0 - 100 V voltmeter has a guaranteed accuracy of 2 % of full scale reading. The voltage measured by the voltmeter is 75 V. The limiting error is in percentage

 2 %.
  2.66 %.
 3.33 %.
 1 %.

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MORE MCQ ON Measurement and Instrumentation

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