131. A capacitance potential divider is generally used for extending the range of the following instrument:
     

1. 1. Electrostatic type
      

   
   
   

   2. Electrodynamometer
      

   
   
   

   3. Induction type
      

   
   
   

   4. Moving iron instrument

   
   
   

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   NA

   Correct Option: A

   NA

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132. The instrument whose deflection is given by the expression θ ∝ L² dL/dθ is known as:
     

1. 1. Electrodynamic type
      

   
   
   

   2. Moving iron type
      

   
   
   

   3. Electrostatic type
      

   
   
   

   4. Induction type

   
   
   

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   NA

   Correct Option: B

   NA

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133. The instrument which should be used to measure 600 KV AC voltage is—
     

1. 1. Electrostatic voltmeter
      

   
   
   

   2. Moving coil voltmeter
      

   
   
   

   3. Moving iron voltmeter
      

   
   
   

   4. Hot wire instrument

   
   
   

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   The instrument which should be used to measure 600 kV AC voltage is–Electrostatic voltmeter.

   Correct Option: A

   The instrument which should be used to measure 600 kV AC voltage is–Electrostatic voltmeter.

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134. In a ballistic galvanometer damping follows:
     

1. 1. Hyperbolic decay
      

   
   
   

   2. Logarithmic decay
      

   
   
   

   3. Exponential decay
      

   
   
   

   4. Exponential rise

   
   
   

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   In a ballistic galvanometer damping follows Logarithmic decay.

   Correct Option: B

   In a ballistic galvanometer damping follows Logarithmic decay.

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135. The rectifier instrument is not free from the:
     

1. 1. Temperature error
      

   
   
   

   2. Waveshape error
      

   
   
   

   3. Frequency error
      

   
   
   

   4. All of these

   
   
   

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   The rectifier instrument is not free from the frequency error.
   

   Correct Option: C

   The rectifier instrument is not free from the frequency error.
   

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