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Electric Circuits

Electric Circuits
The number of electrons in the outer most orbits of carbon atom is

 4.
 6.
 7.
 3.

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Electric Circuits
A constant current source supplies a electric current of 300 mA to a load of 1 KΩ. When the load changed to 100 Ω, the load current will be

 100 mA.
 30 mA.
 3 A.
 300 mA.

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Electric Circuits
What is the unit of potential difference ?

 Ohm
 Watt
 Volt
 Ampere

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Electric Circuits
From the circuit diagram shown in question 1 find the thevnin voltage.

 15 V.
 5 V.
 3 V.
 1.5 V.

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Electric Circuits
When power factor angle is constant, then shape of the current locus is

 semi circle.
 straight line.
 circle.
 triangle.

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Electric Circuits
In balanced bridge, if the positions of detector and source are interchanged, the bridge will still remain balanced. This can be explained from which theoem

 Thevinin's theorem
 Norton's theorem
 Compensation theorem
 Reciprocity theorem

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