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Electric Circuits

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

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

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Electric Circuits
The resistivity of semi-conductors at room temperatures is

 109 to 1012 ohm - cm.
 0.01 to 50 ohm - cm.
 1.6 × 106 to 100 × 106 ohm - cm.
 1000 to 1500 ohm - cm.

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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
In a capacitor, the electrical energy is stored in

 none of above.
 electric field.
 magnetic field.
 both ‘electric field’ and magnetic field’.

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Electric Circuits
For the network shown below when I = 0, V = 20 V and when R = 0, I = 10 A. If now R = 3 Ω what is the value of the current I?

 10 A.
 6 A.
 5 A.
 4 A.

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Electric Circuits
If the measured value of a capacitor is 205.3µF and true value is 201.4µF the percentage relative error is

 39.00%
 25.64%
 1.89%
 1.94%

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