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Electric Circuits

Electric Circuits
The value of unity impulse function at time (t) = 0 is

 0.
 indeterminate.
 1.
 infinite.

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Electric Circuits
An ideal constant voltage source has _______________ internal impedance whereas a constant current source has ____________ internal impedance.

 infinite, zero
 infinite, infinite
 zero, infinite
 zero, zero

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Electric Circuits
Under resonance condition the phase angle between voltage phase and current phase is

 - 90°
 45°
 90°
 0°

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Electric Circuits
The life of a lead acid battery is expected to be

 10 to 15 years.
 1 year.
 2 to 5 years.
 6 months.

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

 1 Ω
 100 Ω
 1 KΩ
 1 MΩ

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Electric Circuits
Given network is having N nodes and b branches, then number of individual loops are

 b - N + 1.
 N - 1.
 b - N - 1.
 N.

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