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Electric Circuits

Electric Circuits
Which law(s) find application in electrolysis?

 Faradays law.
 Ohms law.
 Gausss law.
 Coulombs law.

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Electric Circuits
Which of the following elements is/are called dynamic element/s?

 Both L and C.
 R.
 C.
 L.

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Electric Circuits
When water is added to sulphuric acid

  lot of heat is generated.
  acid particles get separated.
  water start boiling.
  colour of acid changes.

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Electric Circuits
A parallel plate capacitor with air as dielectric, force between plate is F. If capacitor is now immersed water of dielectric εr, force between plate will be –

 εr/F.
 F.
 F εr.
 0.

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Electric Circuits
Two battery having unequal emf

 cannot be connected in parallel.
 both a and d
 cannot be connected in series.
 can be connected in series only.

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Electric Circuits
Say A point has an absolute potential of 40 V and point B has an absolute potential of - 10 V, then what will be the value of VBA ?

  none of above.
  - 50 V.
  30 V.
 50 V.

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