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Electric Circuits

Electric Circuits
The maximum current rating for a 10 k Ω, 0.5 W resistor is

 0.707 mA.
 7.07 mA.
 14.14 mA.
 28.28 mA.

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Electric Circuits
Which of the following is not equivalent to watts?

 Ampere2 – Ohm.
 Joules per second.
 Ampere-volts.
 Amperes/volt.

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Electric Circuits
Two sinusoidal quantities are said to be in phase quadrature, when their phase difference is

 45o.
 0o.
 90o.
 30o.

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Electric Circuits
What is the mass number of an element that has 19 protons, 19 electrons, and 20 neutrons?

 20.
 19.
 38.
 39.

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Electric Circuits
In what connection we get neutral?

  Star.
  Delta.
  Mesh.
  Both A and B.

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Electric Circuits
A circuit with resistor, inductor, capacitor in series is resonant of 50 Hz. If all the values are now doubled, the new resonant frequency is

 f0 / 4.
 2f0.
 f0 / 2.
 still f0.

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