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Electric Circuits

Electric Circuits
Common impurity in battery electrolyte is

 iron.
 lead sulfate.
 sodium chloride.
 dust.

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Electric Circuits
Active materials of a lead acid cell are

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

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Electric Circuits
The value of unity impulse function at time (t) = 0 is

 indeterminate.
 0.
 1.
 infinite.

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Electric Circuits
Two 1 kΩ, 1 W resistors are connected in series. Their combine resistance and wattage will be

 1 kΩ, 1 W.
 2 kΩ, 1 W.
 0.5 kΩ, 2 W.
 2 kΩ, 0.5 W.

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Electric Circuits
What is the mass number of an element that has 19 protons, 19 electrons, and 20 neutrons?

 38.
 39.
 20.
 19.

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Electric Circuits
Cells are connected in parallel in order to increase

 current capacity.
 life of the cells.
 voltage rating.
 efficiency.

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MORE MCQ ON Electric Circuits

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