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Electric Circuits

Electric Circuits
The laplace transform of the fuction f(t) = t is

 1/s2.
 1/s.
 s2.
 s.

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Electric Circuits
Which of the following theorems can be applied to any network- linear or nonlinear, active or passive, time variant or time invariant?

 Millman theorem.
 Thevnin theorem.
 Norton Theorem.
 Tellegen theorem.

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Electric Circuits
When resistance element of a heater fuses and then we reconnect it after removing a portion of it, the power of heater will

  decrease.
  remain constant.
  increase.
  none of these.

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Electric Circuits
The life of a lead acid battery is expected to be

 6 months.
 2 to 5 years.
 10 to 15 years.
 1 year.

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Electric Circuits
Which of following capacitors preferred for high frequency circuits?

 Electrolytic capacitor.
 Glass capacitor.
 Air capacitor.
 Mica capacitor.

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Electric Circuits
If the dielectric of a capacitor is replaced by conducting material

 the capacitor will get heated up due to eddy currents.
 the capacitor can store infinite charge.
 the capacitance value of the plate will decrease.
 the plate will get short circuited.

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