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Electric Circuits

Electric Circuits
Three resistors each R Ohm is connected to form a triangle. The equivalent resistance across any terminals is

 3R/2.
 R/2.
 R.
 2R/3.

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Electric Circuits
A voltage of v = 100 sin (wt + π/3) is applied to pure resistor of 30 Ohm. What is the RMS value of current is

 5.77.
 1.92.
 2.36.
 4.71.

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Electric Circuits
The value of V in the circuit shown in the given figure is

 4 V.
 5 V.
  2 V.
  3 V.

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Electric Circuits
A series RLC circuit is connected across a 240V, 50 Hz supply. When the voltage across capacitor is 250V, a maximum current of 0.5A flows in the circuit. Find the inductance.

 0.47 µF.
 2.25 µF.
 6.37 µF.
 1.58 µF.

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Electric Circuits
In a series resonant circuit impedance is

 maximum.
 none of these.
 minimum.
 zero.

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Electric Circuits
For cadium plating electrolyte used is

 cadmium hexa metaphosphate.
 sodium cyanide, cadmium and caustic soda.
 any of above.
 cadmium sulphate and sulphuric acid.

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