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Electric Circuits

Electric Circuits
For ideal tank circuit, what is the value of dynamic admittance?

 Both
 ∞
None of these
 0

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Electric Circuits
Active materials of a lead acid cell are

 all of above.
 dilute H2SO4.
 spongy lead.
 lead peroxide.

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Electric Circuits
Four capacitors each of 40 µF are connected in parallel, the equivalent capacitance of the system will be

 10 µF
 160 µF
 5 µF
 40 µF

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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.
 None of these.
 0.049 H.
 0.058 H.

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Electric Circuits
What is represented by the hypotenuse of impedance triangle?

 Apparent power.
 Resistance drop.
 Reactance drop.
 Impedance drop.

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Electric Circuits
Dependent source of current and voltage are those which have

 output dependent on input.
 independent of any other network variable.
All of these
 unidirectional characteristic.

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