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Electric Circuits

Electric Circuits
For occurrence of resonance which of the following elements are required?

 R
 Both 2 and 3
 L
 C

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Electric Circuits
For the network shown below when I = 0, V = 20 V and when R = 0, I = 10 A. If now R = 3 Ω what is the value of the current I?

 10 A.
 4 A.
 5 A.
 6 A.

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Electric Circuits
In steady state condition capacitor acts as a

 open circuit
 current source
 voltage source
 short circuit

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

 Current
 Charge
 Force
 Power

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Electric Circuits
The efficiency in case of maximum power transfer theorem is

 50 % - 100 %.
 less than 50 %.
 100 %.
 50 %.

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Electric Circuits
Two resistances R1 and R2 are connected in series across the voltage source where R1 > R2. The largest drop will be across

 either R1 or R2.
 R2.
 none of them.
 R1.

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