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Electric Circuits

Electric Circuits
Active materials of a lead acid cell are

 all of above.
 lead peroxide.
 dilute H2SO4.
 spongy lead.

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Electric Circuits
One ampere hour charge is equivalent to

 36 coulombs.
 36000 coulombs.
 3600 coulombs.
 360 coulombs.

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Electric Circuits
In a delta network each element has value R. The value of each element in equivalent star network will be

 R / 2.
 R / 6.
 R / 4.
  R / 3.

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Electric Circuits
The breakdown voltage for paper capacitor is usually

 2000 to 3000 volts.
 200 to 1600 volts.
 20 to 60 volts.
 more than 10000 volts.

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Electric Circuits
Which of the following is not equivalent to watts?

 Ampere-volts.
 Amperes/volt.
 Ampere2 – Ohm.
 Joules per second.

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Electric Circuits
The internal resistance of a dry cell is of the order of

  1 to 1.5 Ohm.
  1 to 15 Ohm.
  2 to 5 Ohm.
  0.2 to 0.4 Ohm.

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MORE MCQ ON Electric Circuits

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