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Alternating Current is one of the important chapter of class 12 Physics.
LCR series resonant circuit is one of the most important topic of this chapter. Frequency at resonance, Current at time of resonance conditions for resonance all questions are important. Numericals of same topic is important. Avg power associated with LCR series circuit is important. Wattless current n Concepetual questions from this chapter are important. Practice all questions of this test. N only practice is the key for Physics. Cramming will not work here.
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What’s the difference between A.C &D.C ?
Electric current flows in two ways AC or DC.
Main difference between AC or DC is about direction.
In DC electrons flow steadily in a single direction but in AC direction of electrons is keep on changing.