In the following circuit composed of identical resistors, across which terminals would you connect a battery in order to dissipate energy in all resistors
$AB$
$AC$
$BD$
None of the above
Consider four circuits shown in the figure below. In which circuit power dissipated is greatest (Neglect the internal resistance of the power supply)
Consider the following circuit given below. The bulb will light up, if
The internal resistance of a primary cell is $4\, ohm$. It generates a current of $0.2\, amp$ in an external resistance of $21\, ohm$. The rate at which chemical energy is consumed in providing the current is .............. $J/s$
A rise of temperature of $4\,^oC$ is observed in a conductor by passing a current. If the current is tripled, the rise temperature will be .............. $^oC$
If three bulbs $60\,W$, $100\,W$ and $200\,W$ are connected in parallel, then