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Electric Circuits

Electric Circuits
The mass of the atom is determined by

 electrons.
 electron and proton.
 neutron and proton.
 proton.

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Electric Circuits
In RL series circuit R=2Ω and L=10mH and applied voltage is 10V DC. Then find the current in the network?

 0A
 10A
 1A
 5A

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Electric Circuits
For a band pass filter, cut off frequency of the low pass filter should be ___ of the high pass filter?

 less than
 greater than
All of these
 equals to

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

 1/4.
 1.
 16.
 4.

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Electric Circuits
What will be the capacitance when distance between the 2 plates of a condenser of capacitance 8 micro farad is reduced from 10 mm to 4 mm?

 3.2 microfarad.
 8 microfarad.
 1 microfarad.
 20 microfarad.

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Electric Circuits
Two resistances R1 and R2 give combined resistances 4.5 Ω and 1 Ω when they are connected in series and parallel respectively. What would be the values of these resistances?

 3 Ω and 9 Ω.
  3 Ω and 6 Ω.
 6 Ω and 9 Ω.
  1.5 Ω and 3 Ω.

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