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Electric Circuits

Electric Circuits
In the circuit shown in figure if I1 = 1.5 A, then I2 will be

 2 A.
 0.5 A.
 1 A.
 1.5 A.

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Electric Circuits
When AC flows through a pure capacitance then the current

 lags the emf by 90o.
 is in phase with emf.
 leads the emf by - 90o.
 leads the emf by 90o.

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Electric Circuits
Kirchhoff’s current law is used for

 nodal analysis.
 representing a current source.
 finding equivalent resistance.
 loop analysis.

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Electric Circuits
You have to replace 1500 Ω resistor in radio. You have no 1500 Ω resistor but have several 1000 Ω ones which you would connect

 two in parallel and one in series.
 three in series.
 three in parallel.
 two in parallel.

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Electric Circuits
Which of the following elements is/are called dynamic element/s?

 R.
 L.
 C.
 Both L and C.

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Electric Circuits
Which of the following represents the resonance frequency (ω0) with respect to lower cutoff frequency (ω1) and higher cutoff frequency (ω2)

 ω1 - ω2
 ω1 + ω2
 ω1 / ω2
 √(ω1² + ω2²)

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