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Electric Circuits

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

 1/s.
 s2.
 1/s2.
 s.

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Electric Circuits
200 resistors of 200 Ω each are connected in parallel. Their equivalent resistance will be

 1 Ω.
 400 Ω.
 200 Ω.
 4 kΩ.

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Electric Circuits
One atomic mass unit ( amu ) is approximately equal to

 1.6 × 10-24 Kg.
 1.6 × 10-13 Kg.
 1.6 × 10-19 Kg.
  1.6 × 10-27 Kg.

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Electric Circuits
The switch S is the circuit shown in figure is ideal. If the switch is repeatedly closed for 1 ms and opened for 1 ms, the average value of i(t) is

 1 mA.
 0.5 mA.
  0.25 mA.
 0.35 mA.

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Electric Circuits
In question no.3, which of the following is true ?

 i(0+)= iL(0+).
 ic (0+) = i(0+).
 iL(0) = ic (0).
 None of these.

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

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

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