Three identical resistances $A$, $B$ and $C$ are connected as shown in the given figure. The heat produced will be maximum
AIn $B$
BIn $B$ and $C$
CIn $A$
DSame for $A$, $B$ and $C$
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CIn $A$
c Resistance of $A$ is greater than the resistance of combination of $B$ and $C$, hence voltage drop across $A$ will be greater than that across $B$ or $C$. Also $H = \frac{{{V^2}t}}{R}$
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The charge flowing in a conductor varies with time as $Q = at -bt^2$. Then for current, which statement is incorrect.
$(A)$ decreases linearly with time
$(B)$ reaches a maximum and then decreases
$(C)$ fall to zero after time $t = a/2b$
$(D)$ changes at a rate $-2b$
Options :
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