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Electric Circuits

Electric Circuits
Magnetic flux has the unit of

 Ampere turn
 Newton
  Tesla
 Weber

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Electric Circuits
Which of the following are typical resistance and power-dissipation values for a carbon-composition resistor?

 5000 ohms, 100W.
 10 ohm, 50 W.
 1000000 ohms, 1 W.
 10000 ohms, 10 W.

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Electric Circuits
A 3 wire, 3 - φ supply feeds a load consisting of three equal resistors. By how much is the load reduced if one of the resistors be removed when the load is in star?

 66.66 % of the original load.
 50 % of the original load.
 33.33 % of the original load.
 25 % of the original load.

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Electric Circuits
For the network shown in figure, the value of current through 8Ω resistor is

 2.4 A.
 1.2 A.
 4.8 A.
 1.5 A.

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Electric Circuits
Fillers in a lead acid battery are provided

 to prevent flow of gases.
 all of above.
 to recover acid loss through vapours.
 to facilitate flow of gases.

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Electric Circuits
For the resonance circuit ω0 = 105, Q = 50, R = 400 Ω the value of C is

 500 pF.
 1000 pF.
 125 pF.
 250 pF.

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MORE MCQ ON Electric Circuits

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