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Electric Circuits

Electric Circuits
What will be the resistance if 10 resistors of 10 ohm each are connected in series?

 1 Ω.
 10 Ω.
 0.1 Ω.
 100 Ω.

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Electric Circuits
The internal resistance of a practical voltage source is considered to be connected in

 either parallel or series.
None of these
 parallel.
 series.

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Electric Circuits
When water is added to sulphuric acid

  colour of acid changes.
  water start boiling.
  lot of heat is generated.
  acid particles get separated.

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Electric Circuits
Three resistances have the following ratings 150 Ω at 5 %, 100 Ω at 5 % and 200 Ω at 5 % respectively. The percentage error when all the three are connected in series will be

  + 5 %.
 + 8 %.
  + 6 %.
 + 7 %.

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Electric Circuits
What is a resistor?

 Inductor
 Test
 Capacitor
 Hello

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Electric Circuits
A coil with negligible resistance has 50 V across it with 10 mA. The inductive reactance is

 500 ohms.
 5000 ohms.
 1000 ohms.
 50 ohms.

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