136. Consider the following statements regarding a motor car battery
     1. The voltage usually 12 V
     2. Electrolyte used in hydrochloric acid
     3. Electrodes are lead and copper
     4. Capacity is expressed in ampere-hour
     Which of the above statements are correct?

1. 1. 1 and 2

   
   
   

   2. 2 and 3

   
   
   

   3. 3 and 4

   
   
   

   4. 1 and 4

   
   
   

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   N/A

   Correct Option: D

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137. A DC voltmeter is capable of measuring a maximum of 300 volts. if it is used to measure the voltage across a device operating at 200 voltage AC supply, the reading of the voltmeter will be

1. 1. 300 volt

   
   
   

   2. 220 volt

   
   
   

   3. 110 volt

   
   
   

   4. 0 volt

   
   
   

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   N/A

   Correct Option: D

   N/A

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138. The circuit element where the impressed voltage is always in phase with the resulting current is

1. 1. An ideal resistor

   
   
   

   2. An ideal capacitor

   
   
   

   3. An ideal coil

   
   
   

   4. An ideal transformer

   
   
   

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   N/A

   Correct Option: A

   N/A

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139. A permanent magnet repels

1. 1. Ferromagnetic substances only

   
   
   

   2. Diamagnetic substances only

   
   
   

   3. Paramagnetic substances only

   
   
   

   4. Both paramagnetic and diamagnetic substances

   
   
   

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   N/A

   Correct Option: B

   N/A

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140. Consider the following statements
     1. An isolated electric charge exist, but an isolated magnetic monopole does not exist.
     2. Electric lines of force are not closed, but magnetic lines of force are closed
     Which of the statements given above is / are correct?

1. 1. 1 only

   
   
   

   2. 2 only

   
   
   

   3. Both 1 and 2

   
   
   

   4. Neither 1 nor 2

   
   
   

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   N/A

   Correct Option: C

   N/A

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