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Electric Circuits

Electric Circuits
In a series resonance circuit if bandwidth is 1 MHz and inductance is 1 mH, then what is the resistance value?

 1 MΩ
 1 Ω
 100 Ω
 1 KΩ

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Electric Circuits
Which of the following is not a bilateral element?

 Diode.
 Resistor.
 Inductor.
 Capacitor.

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Electric Circuits
The current flowing between electrodes inside a lead acid battery is

 polarization current.
 ionization current.
 proton current.
 electron current.

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Electric Circuits
Three element having conductance G1, G2 and G3 are connected in parallel. Their combined conductance will be

 (1 / G1 + 1 / G2 + 1 / G3) - 1.
 1 / G1 + 1 / G2 + 1 / G3.
 (G1 + G2 + G3) - 1.
 G1 + G2 + G3.

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Electric Circuits
Three identical inductors are connected in delta with a 220 V, 50 Hz, 3 - φ, supply. If the phase current is 24 A, then what is the value of each of the inductance?

 0.029.
 0.058 H.
 None of these.
 0.049 H.

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Electric Circuits
A series circuit consists of R = 20 Ω, L = 20 mH, and AC supply 60 V with f = 100 Hz. The phase angle of current in respect of supply voltage will be

 32.1o.
 28.8o.
 40.4o.
 20.2o.

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