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Electric Circuits

Electric Circuits
Consider the following circuit. What is the value of i ?

 6 A.
 - 5 A.
  5 A.
 12 A.

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Electric Circuits
If a large resistance is connected in parallel to a small resistance then net resistance will be

 greater than the large resistance.
 smaller than the small resistance.
None of these
 smaller than the greater but larger than the smaller resistance.

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Electric Circuits
2) Two sinusoidal emfs are given as e1 = Asin(wt+45) and e2 = Bsin(wt-30). The phase difference between the two quantities in degrees is

 75.
 60.
 105.
 15.

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Electric Circuits
A two port network is defined by the relation The value of Z12 is

 3/41.
 2/31.
 -3.
 3.

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

 1/s.
 s2.
 s.
 1/s2.

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Electric Circuits
For same voltage, the ratio resistance of 100 W lamp to resistance of 25 W lamp is

 4.
 1.
 16.
 1/4.

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