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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

 R/2.
 2R/3.
 R.
 3R/2.

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Electric Circuits
Current source has internal impedance connected in parallel with it whereas voltage source has internal impedance connected in __________________ with it.

 series
  both of above
  none of them
 parallel

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Electric Circuits
The arrangement of 12 cells each of internal resistance 1.5 Ohm to give maximum current in external load resistance of 2 Ohm will be

 all 12 in parallel.
 all 12 in series.
 in 3 parallel rows each row having 4 cells in series.
 in 4 parallel rows each row having 3 cells in series.

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Electric Circuits
In RLC series circuit if the Q factor is 1, then the damping of the system is

 Critical damping
 Undamping
 Under damping
 Over damping

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Electric Circuits
Highest current density is usually recommended for

  bronze plating.
  tin plating.
  chromium plating.
  cadmium plating.

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Electric Circuits
To reduce hysteresis loss, we use

 soft-iron.
 CRGO steel.
 copper bars.
 laminated sheets.

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MORE MCQ ON Electric Circuits

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