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Electric Circuits

Electric Circuits
In ac RC series circuit total voltage is 10V and voltage across resistor is 6V, then what is voltage across capacitor?

 4V
 10V
 16V
 8V

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Electric Circuits
Five cells are connected in series in a row and then four such rows are connected in parallel to Feed the current to a resistive load of 1.25Ω. Each cell has an emf of 1.5 V with internal resistance Of 0.2Ω. The current through the load will be

 3.33 A
 23.33 A
 5 A
 1 A

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Electric Circuits
In RLC parallel circuit current through resistor, inductor and capacitor are 10A, 5A and 5A respectively. What is the total current in the circuit?

 0A
 10A
 5A
 20A

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Electric Circuits
The hot resistance of a tungsten lamp is about 10 times the cold resistance. Accordingly, cold resistance of a 100 W, 200 V lamp will be

  40 Ω.
 400 Ω.
 4 Ω.
 800 Ω.

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Electric Circuits
Which of the following quantities consists of SI unit as WATT ?

 Force
 Current
 Charge
 Power

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Electric Circuits
Two battery having unequal emf

 cannot be connected in parallel.
 can be connected in series only.
 cannot be connected in series.
 both a and d

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