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CBSE Class 12-science Answered

  The charge flowing in a conductor varies with time t, as q = at - 1/2bt^2 + 1/6ct^3, where a,b and c are positive constants. Then find :-  1.)the initial current    2.)the time after which the value of current reaches a maximum value      3.)the maximum or minimum value of current Please give the answer in proper and clear steps
Asked by acv27joy | 19 Apr, 2018, 07:17: PM
answered-by-expert Expert Answer
Charge flowing in the conductor is given by
current is given by
 
time for maximum or minimum value of current is given as
 
Further differentiation gives positive constant c, hence current is minimum at t= b/c
 
minimum current is given by
Answered by Thiyagarajan K | 20 Apr, 2018, 06:28: AM

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