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Electric Circuits

Electric Circuits
To reduce hysteresis loss, we use

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

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Electric Circuits
Third pin of a 3 pin plug is thicker and longer

 for protection purpose.
 for designing purpose.
 none of these.
 all pins are of same size.

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Electric Circuits
Current locus is obtained by which of the following?

None of these
 Varying any one of the circuit element
 Either of these
 Varying source frequency

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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

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

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Electric Circuits
Galvanizing is the coating of

 lead.
 zinc.
 brass.
 chromium.

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

 R/2.
 R.
 2R/3.
 3R/2.

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MORE MCQ ON Electric Circuits

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