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Electric Circuits

Electric Circuits
The capacitive reactance of a capacitor of (1 / 2μF) F at 103 Hz is

 10- 6 μF.
 10- 3 μF.
 10 6 μF.
 10 3 μF.

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Electric Circuits
The electrical conductivity of metal is typically of the order of (in ohm - m)

 10 - 4.
 10 - 6.
 107.
 105.

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Electric Circuits
If all the elements in a particular network are linear, then the superposition theorem would hold, when the excitation is

 AC only
 Either AC or DC
 DC only
 An Impulse

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Electric Circuits
A ceramic and a mica capacitor have the same physical dimension. Which has the higher value of capacitance?

 Mica capacitor.
 Ceramic capacitor.
  It is impossible to conclude on the basis of information supplied.
 Both have identical value of capacitor.

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Electric Circuits
For the resonance circuit ω0 = 105, Q = 50, R = 400 Ω the value of C is

 125 pF.
 1000 pF.
 250 pF.
 500 pF.

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Electric Circuits
For cadium plating electrolyte used is

 any of above.
 cadmium hexa metaphosphate.
 cadmium sulphate and sulphuric acid.
 sodium cyanide, cadmium and caustic soda.

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