26. 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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27. 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

   N/A

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28. A magnetic needle is kept in non uniform magnetic field. It experiences

1. 1. A force and a torque

   
   
   

   2. A force but not a torque

   
   
   

   3. A torque but not a force

   
   
   

   4. None of these

   
   
   

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   N/A

   Correct Option: A

   N/A

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29. The SI unit of pole strength is

1. 1. Am²

   
   
   

   2. Am^-1

   
   
   

   3. Am^-2

   
   
   

   4. Am

   
   
   

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   N/A

   Correct Option: D

   N/A

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30. A horizontal cable carries a current from west to east. the direction of the magnetic field produced by the current at a point vertically above the wire is

1. 1. South to north

   
   
   

   2. North to south

   
   
   

   3. East to west

   
   
   

   4. West to east

   
   
   

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1. View Hint View Answer Discuss in Forum

   N/A

   Correct Option: B

   N/A

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