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Electric Circuits

Electric Circuits
The life of a lead acid battery is expected to be

 10 to 15 years.
 6 months.
 2 to 5 years.
 1 year.

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Electric Circuits
During electroplating the weight of substance deposited depends on

 shape of article.
 room temperature.
 quantity of electricity.
 atmospheric humidity.

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Electric Circuits
Four resistances 80 Ohm, 50 Ohm, 25 Ohm and R are connected in parallel. Current through 25 Ohm resistance is 4A. Total current of supply is 10A. The value of R will be

 36.36.
 40.25.
 76.66.
 66.66.

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Electric Circuits
The maximum value of a current wave is 2A. If the form factor of a current wave is 1.5 and the peak factor is 2.7, find the average value in Amperes.

 0.494 A.
 1.414 A.
 0.741 A.
 1.57 A.

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Electric Circuits
A parallel plate capacitor has a capacitance of C farad. It area of the plates is doubled and the distance between them is half, the capacitance of the capacitor is

 2C Farad.
 16C Farad.
 C Farad.
 4C Farad.

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Electric Circuits
Nodal analysis can be applied for

 neither planar and non planar networks.
 both planar and non planar networks.
 planar networks.
 non planar networks.

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MORE MCQ ON Electric Circuits

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