List of top Physics Questions asked in AIEEE

The resistance of a bulb filament is $100\, \Omega$ at a temperature of $100^?C$. If its temperature coefficient of resistance be $0.005$ per $^?C$, its resistance will become $200\,\Omega$ at a temperature of:
An electric bulb is rated 220 volt - 100 watt. The power consumed by it when operated on 110 volt will be :
A coin is placed on a horizontal platform which undergoes vertical simple harmonic motion of angular frequency $\omega$ . The amplitude of oscillation is gradually increased. The coin will leave contact with the platform for the first time:
Two insulating plates are both uniformly charged in such a way that the potential difference between them is $V_2 - V_1 = 20\, V.$ (i.e., plate 2 is at a higher potential). The plates are separated by $d = 0.1\, m$ and can be treated as infinitely large. An electron is released from rest on the inner surface of plate 1. What is its speed when it hits plate 2 ? $\left(e=1.6\times10^{-19}C, m_{e}=9.11\times10^{-31}\,kg\right)$
The rms value of the electric field of the light coming from the sun is 720 N/C. The average total energy density of the electromagnetic wave is :
The potential energy of a 1 kg particle free to move along the $x$-axis is given by $V\left(x\right)=\left(\frac{x^{4}}{4}-\frac{x^{2}}{2}\right)\,J.$ The total mechanical energy of the particle is 2 J. Then , the maximum speed (in m/s) is :
The circuit has two oppositely connected ideal diodes in parallel. What is the current flowing in the circuit ?
Needles $N_{1}, N_2$ and $N_3$ are made of a ferromagnetic, a paramagnetic and a diamagnetic substance respectively. A magnet when brought close to them will:
In an AC generator, a coil with $N$ turns, all of the same area $A$ and total resistance $R$, rotates with frequency $\omega$ in a magnetic field $B$. The maximum value of emf generated in the coil is:
If the terminal speed of a sphere of gold (density $= 19.5 kg/m^3$) is $0.2\, m/s$ in a viscous liquid (density $= 1.5\, kg/m^3$), find the terminal speed of a sphere of silver (density $= 10.5\, kg/m^3$) of the same size in the same liquid.
Consider a two particle system with particles having masses $m_1$ and $m_2$. If the first particle is pushed towards the centre of mass through a distance $d$, by what distance should the second particle be moved, so as to keep the centre of mass at the same position ?
The energy spectrum of $\beta$-particles [number N(E) as a function of $\beta$-energy E] emitted from a radioactive source is :
In a common-base mode of a transistor, the collector current is 5.488 mA for an emitter current of 5.60 mA. The value of the base current amplification factor ($\beta$) will be :
In a series resonant $LCR$ circuit, the voltage across $R$ is $100$ volts and $R = 1\,\Omega$ with $C = 2\mu F$. The resonant frequency $\omega$ is $200$ rad/s. At resonance the voltage across $L$ is :
A string is stretched between fixed points separated by $75.0\, cm$. It is observed to have resonant frequencies of $420\, Hz$ and $315\, Hz$. There are no other resonant frequencies between these two. Then, the lowest resonant frequency for this string is :
Which of the following units denotes the dimensions $[ML^2/Q^2],$ where $Q$ denotes the electric charge ?
A long solenoid has $200$ turns per cm and carries a current $i$. The magnetic field at its centre is $6.28 \times 10^{-2}$ weber/$m^2$. Another long solenoid has 100 turns per cm and it carries a current $i/3$. The value of the magnetic field at its centre is:
Two simple harmonic motions are represented by the equations $y_{1}=0.1\,sin\left(100\,\pi t+\frac{\pi}{3}\right)$ and $y_{2}=0.1\,cos\,\pi\,t.$ The phase difference of the velocity of particle 1, with respect to the velocity of particle 2 is :
When an unpolarized light of intensity $I_0$ is incident on a polarizing sheet, the intensity of the light which does not get transmitted is :
Curie temperature is the temperature above which
Average density of the earth :
The relation between time $t$ and distance $x$ is $t = ax^2 + bx$, where $a$ and $b$ are constants. The acceleration is:
Two sources of equal emf are connected to an external resistance $R$. The internal resistances of the two sources are $R_1$ and $R_2 (R_2 > R_1).$ If the potential difference across the source having internal resistance $R_2$, is zero, then :
Two voltameters, one of copper and another of silver, are joined in parallel. When a total charge $q$ flows through the voltameters, equal amount of metals are deposited. If the electrochemical equivalents of copper and silver are $Z_1$ and $Z_2$ respectively, the charge which flows through the silver voltameter is :
An energy source will supply a constant current into the load, if its internal resistance is :