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Electric Circuits

Electric Circuits
Fall time is the time required for a pulse to decrease from 90 to ________% if its maximum values

 15
 10
 20
 5

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Electric Circuits
In series RLC circuit, voltage across resistor, inductor and capacitor are 5V, 2V and 2V respectively. Find total voltage?

 4V
 5V
 9V
 2V

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Electric Circuits
Discrete values represent which type of signal

 Decimal
 Digital
 Discretal
 Analog

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

None of these
 Both
 ∞
 0

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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?

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

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Electric Circuits
An alternating voltage = 140 sinθ is supplied to a device which offers a resistance of 20 Ω in forward direction of current in reverse direction. Calculate the form factor.

 0.318.
 1.414.
 0.57.
 1.11.

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