Questions
A capacitor, initially charged to 5 V, is started charging at t = 0 by a source at the rate of . How long will it take to raise its potential to 10V?
detailed solution
Correct option is B
qi=CVi=16×5=80μC, qf=CVf=16×10=160μCGiven dqdt=40t⇒∫qiqf dq=∫0t 40tor qf−qi=40t22or 160−80=20t2 or t=2sTalk to our academic expert!
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