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Electric Circuits

Electric Circuits
An electric field can deflect

 neutrons.
 x-rays.
 gamma-rays.
 alpha particles.

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Electric Circuits
The Norton equivalent of a network is given as IN = 4A and RN = 2 Ohm. When this circuit is connected across a 2 Ohm load, the current through the load is

 0 A.
 4 A.
 1 A.
 2 A.

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Electric Circuits
In active filter which element is absent?

 Inductor.
 Capacitor.
 Both of above.
 Resistor.

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Electric Circuits
Phase voltages of a star connected alternator are ER = 240∠0o V, EY = 240∠-120o V and EB = 240∠ + 120o V. What is the phase sequence of the system?

 YBR.
 RYB.
 BYR.
 RBY.

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Electric Circuits
For the circuit shown below the value of R is adjusted so as to make the current in RL equal to zero. Calculate the value of R.

 2 Ω.
 4 Ω.
 1 Ω.
 3 Ω.

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Electric Circuits
The electron is lighter than a proton by a factor of about

 18400.
 18.4.
 1840.
 184.

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MORE MCQ ON Electric Circuits

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