AIPMT 2012 Preliminary Mock Test

If voltage across a bulb rated $220\text{Volt}-100\text{Watt}$ drops by $2.5\%$ of its rated value, the percentage of the rated value by which the power would decrease is:

Transfer characteristics [output voltage($V_0$) vs input voltage ($V_i$)] for a base biased transistor in CE configuration is as shown in the figure. For using transistor as a switch, it is used:

$C$ and $Si$ both have same lattice structure, having $4$ bonding electrons in each. However, $C$ is insulator whereas $Si$ is intrinsic semiconductor. This is because:

Two persons of masses $55\text{kg}$ and $65\text{kg}$ respectively, are at the opposite ends of a boat. The length of the boat is $3.0\text{m}$ and weighs $100\text{kg}$. The $55\text{kg}$ man walks up to the $65\text{kg}$ man and sits with him. If the boat is in still water the centre of mass of the system shifts by:

A thermodynamic system is taken through the cycle $ABCD$ as shown in figure. Heat rejected by the gas during the cycle is: