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Electric Circuits

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

 1.5 A.
 1.2 A.
 4.8 A.
 2.4 A.

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Electric Circuits
Silver coating is provided for

  all of above.
  protective purpose.
  bearing surfaces.
  decorative purpose.

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

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

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Electric Circuits
The unit of electric field intensity is

 N / Ampere.
 F / m.
 N / C.
 F/ m2.

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Electric Circuits
A capacitor is charged by a constant 10 mA current sources which is turned on for 1 second. Assuming the capacitor is initially charge free; determine the charge delivered to and the power supplied by the source if the capacitor has a value of 1 mF.

 0.1C, 100MW.
 0.01C, 10MW.
 0.01C and 5W.
 0.1C, 10MW.

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

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

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