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Electric Circuits

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

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

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Electric Circuits
A capacitor having a capacitance of 40 μF is connected across 250 V DC source. The charging current will be least

 when capacitor is fully charged.
 initially.
 when capacitor is half charged.
 when capacitor is almost 25% charged.

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Electric Circuits
In the network shown, what is the current I in the direction shown?

 1 / 3 A.
 4 A.
 0 A.
 5 / 6 A.

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Electric Circuits
Which of the following may be value of resistivity of copper?

 1.7 X 10 - 4.
 1.7 X 10 - 6.
 1.7 X 10 - 3.
 1.7 X 10 - 5.

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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
How many 200W / 220V bulbs connected in series across 220V supply will consume 100W?

 4.
 1.
 2.
 Not possible.

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