6. Which of the following is not a disadvantage of LVDT?
   

1. 1. A LVDT is inherently low in power output
      

   
   
   

   2. Relativity large displacements are required for appreciable differential output
      

   
   
   

   3. They are sensitive to stray magnetic field and vibration
      

   
   
   

   4. All of the above

   
   
   

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   NA

   Correct Option: D

   NA

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7. For measuring high value of capacitor and low value of inductor one will use:
   

1. 1. Series connection Q-meter
      

   
   
   

   2. Parallel connection Q-meter
      

   
   
   

   3. Direct connection Q-meter
      

   
   
   

   4. All of the above

   
   
   

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   NA

   Correct Option: A

   NA

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8. A milliammeter can be used as:
   

1. 1. Voltmeter and ammeter
      

   
   
   

   2. Wattmeter
      

   
   
   

   3. Ohmmeter
      

   
   
   

   4. Frequency meter

   
   
   

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   A milliammeter can be used as voltmeter and ammeter.

   Correct Option: A

   A milliammeter can be used as voltmeter and ammeter.

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9. Two holders drilled in the disc of energy meter on the opposite side of the spindle:
   

1. 1. To increase the deflection torque
      

   
   
   

   2. To eliminate the creeping on no load
      

   
   
   

   3. For proper ventilation
      

   
   
   

   4. To reduce the weight of the disc for easy rotation

   
   
   

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   NA

   Correct Option: B

   NA

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10. Regarding VTVM which of the following statements is incorrect?
    

1. 1. It measures a.c. volts
      

   
   
   

   2. It is usually plugged into power line
      

   
   
   

   3. It cannot measure current directly
      

   
   
   

   4. Its ohm ranges are usually upto R × 1000Ω

   
   
   

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   NA

   Correct Option: D

   NA

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