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Electric Circuits

Electric Circuits
The thevnin equivalent of the circuit shown in the figure is

 0.75 V, 1.5 Ohm
 1.5V, 5/6 Ohm
 0.75V, 5/6 Ohm
 1.5V, 1.5 Ohm

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Electric Circuits
A wire 2.5 m long is bent into a square. An current of 100 A flowing through the wire will produce a magnetizing force at the center of the square, equal to

 72 AT / m.
 196 AT / m.
 222 AT / m.
 144 AT / m.

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Electric Circuits
In RC series circuit R = 2Ω, C = 2μF and 10V dc is applied. Then what is the value of current?

 10A
 0A
 5A
 2A

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Electric Circuits
Which of the following has least resistivity?

 Lead.
 Copper.
 Aluminium.
 Mercury.

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Electric Circuits
Kirchhoff’s current law is used for

 representing a current source.
 finding equivalent resistance.
 loop analysis.
 nodal analysis.

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Electric Circuits
Among the options which metal has the highest electrical conductivity?

 Steel.
 Stranded aluminium.
 Aluminium.
 Copper.

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MORE MCQ ON Electric Circuits

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