91. Carey Foster bridge is specially designed to measure:
    

1. 1. The e.m.f. of the source
      

   
   
   

   2. The difference between two nearly equal resistances
      

   
   
   

   3. The internal resistance of the battery
      

   
   
   

   4. The insulation resistance

   
   
   

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1. View Hint View Answer Discuss in Forum

   The Carey Foster bridge is specially designed to measure the difference between two nearly equal resistance.

   Correct Option: B

   The Carey Foster bridge is specially designed to measure the difference between two nearly equal resistance.

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92. The internal resistance of the ammeter should ideally be:
    

1. 1. Zero
      

   
   
   

   2. Very large
      

   
   
   

   3. Very small
      

   
   
   

   4. Infinite

   
   
   

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1. View Hint View Answer Discuss in Forum

   The internal resistance of the ammeter should ideally be zero.

   Correct Option: A

   The internal resistance of the ammeter should ideally be zero.

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93. The dielectric loss of capacitance can be measured by:
    

1. 1. Hay bridge
      

   
   
   

   2. Schering bridge
      

   
   
   

   3. Maxwell bridge
      

   
   
   

   4. Anderson bridge

   
   
   

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1. View Hint View Answer Discuss in Forum

   The dielectric loss of capacitance can be measured by schering bridge.

   Correct Option: B

   The dielectric loss of capacitance can be measured by schering bridge.

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94. The instrument transformers are normally used to extend the range of:
    

1. 1. Moving iron instruments
      

   
   
   

   2. Electorstatic instruments
      

   
   
   

   3. Induction instruments
      

   
   
   

   4. Can be used with any of the three

   
   
   

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1. View Hint View Answer Discuss in Forum

   The instrument transformers are normally used to extend the range of induction instruments.
   

   Correct Option: C

   The instrument transformers are normally used to extend the range of induction instruments.
   

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95. T = Ki is the torque equation of a:
    

1. 1. PMMC instrument
      

   
   
   

   2. Rectifier instrument
      

   
   
   

   3. Moving iron instrument
      

   
   
   

   4. D’ Arsonval instrument

   
   
   

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1. View Hint View Answer Discuss in Forum

   NA

   Correct Option: D

   NA

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