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Electric Circuits

Electric Circuits
In which of the following networks it is not possible to find the transient free response?

 RL, RC, and RLC
 RC
 RL
 RLC

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Electric Circuits
Sulphation in a lead acid battery occurs due to

 heavy charging.
 trickle charging.
 incomplete charging.
 fast charging.

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

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

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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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Electric Circuits
A cube of material of side 1 cm has a resistance of 0.002 Ω between its opposite faces. If the same volume of the material has a length of 4 cm and a uniform cross - section, the resistance of this length will be

 0.016 Ω.
 0.064 Ω.
  0.128 Ω.
  0.032 Ω.

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Electric Circuits
A 35 V source is connected to a series circuit of 600 Ω and R as shown. If a voltmeter of internal resistance 1.2 kΩ is connected across 600 Ω resistor, it reads 5 V. The value of R is

 7.2 k Ω.
 2.4 k Ω.
 1.2 k Ω.
 3.6 k Ω.

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