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Electric Circuits

Electric Circuits
The form factor of sinusoidal alternating current is

 1.11.
 0.
 1.15.
 1.

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Electric Circuits
A 230V, 50Hz voltage is applied to a coil having L = 5H and R = 2 Ohm in series with capacitance C. When the voltage across the coil is 400V, find the current in the circuit?

 0.1465 A.
 0.4583 A.
 0.2547 A.
 0.1578 A.

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Electric Circuits
Time constant of RC series circuit is

 RC
 L/R
 2L/R
 2RC

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Electric Circuits
The absolute charge of an electron is

 - 1.6 × 10-19 C.
 1.6 × 10-19 C.
 none of above.
 + 1.6 × 10-19 C.

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Electric Circuits
In active filter which element is absent?

 Inductor.
 Resistor.
 Both of above.
 Capacitor.

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Electric Circuits
The maximum value of a current wave is 2A. If the form factor of a current wave is 1.5 and the peak factor is 2.7, find the rms value in Amperes.

 0.741 A.
 1.414 A.
 0.494 A.
 1.57 A.

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