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Electric Circuits

Electric Circuits
Which cell has the reversible chemical reaction?

 Mercury oxide.
 Carbon Zinc.
 Lead acid.
 Silver oxide.

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Electric Circuits
Common impurity in battery electrolyte is

 iron.
 dust.
 sodium chloride.
 lead sulfate.

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Electric Circuits
Which of the following substance when added to electrolyte promotes smooth deposition?

 Glucose.
 Albumen.
 Gelatine.
 Any of above.

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Electric Circuits
The value of supply voltage for 400 W, 4 Ω load is

 40 V.
 400 V.
 20 V.
 200 V.

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Electric Circuits
If N is the number of nodes and b is the number of branches in a network, then rank of cut set matrix is

 b - N - 1.
 N.
 N - 1.
 b - N + 1.

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Electric Circuits
One ampere hour charge is equivalent to

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

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MORE MCQ ON Electric Circuits

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