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Electric Circuits

Electric Circuits
Consider the following circuit. What is the value of current I in the 5 Ω resistor in the circuit given in the figure?

 2 A.
 0 A.
 3 A.
 4 A.

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Electric Circuits
From the circuit diagram shown in question 1 find the Norton current.

 1 A.
 2.5 A.
 2 A.
 4 A.

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Electric Circuits
If the practical units of voltage and current wave each made 20 times as large as they are at present, what would be the consequent alternation in the size of the unit of capacitance?

 20 times.
 200 times.
 60 times.
 Nil.

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Electric Circuits
What is the dielectric material used in precision small value capacitor and capacitor used in radio frequency circuits?

 Vacuum, air.
 Titanium oxide.
 Oil impregnated paper.
 Glass.

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Electric Circuits
Two battery having unequal emf

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

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Electric Circuits
There are two capacitors C1 and C2 in parallel , what will be their equivalent capacitance?

 (C1 + C2) / C1C2.
 (C1C2) / C1 + C2.
 C1C2.
 C1 + C2.

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