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Electric Circuits

Electric Circuits
What is the mass number of an element that has 19 protons, 19 electrons, and 20 neutrons?

 39.
 19.
 20.
 38.

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Electric Circuits
A dependent source can be

 a voltage source.
 a current source.
 both a voltage or a current source.
 neither a voltage nor a current source.

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Electric Circuits
If one cycle of AC waveform occurs every millisecond, the frequency will be

 50 Hz.
 10 kHz.
 1000 Hz.
 100 Hz.

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Electric Circuits
From the given figure find the R3

 25 ohm
 25 mili ohm
 25 kilo ohm
 25 mega ohm

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Electric Circuits
For symmetrical wave form average value of one full cycle is

 2.22
 0
 1
 1.11

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Electric Circuits
The current flowing between electrodes inside a lead acid battery is

 electron current.
 polarization current.
 proton current.
 ionization current.

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