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Electric Circuits

Electric Circuits
Which of the following is not a bilateral element?

 Inductor.
 Resistor.
 Capacitor.
 Diode.

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Electric Circuits
The maximum current rating for a 10 k Ω, 0.5 W resistor is

 28.28 mA.
 14.14 mA.
 0.707 mA.
 7.07 mA.

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Electric Circuits
The breakdown voltage for paper capacitor is usually

 more than 10000 volts.
 20 to 60 volts.
 2000 to 3000 volts.
 200 to 1600 volts.

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Electric Circuits
If conductance increases as temperature increases it is called as ..........

None of these
 negative co-efficient.
 both 1 and 2.
 positive co-efficient.

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Electric Circuits
Three resistances of two ohms each are connected in star. In the equivalent delta representation each resistance will have a value of _______________ Ω.

 5.2.
 6.
 3.4.
 0.6.

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

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

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