List of top Questions asked in AP EAPCET

In an AC circuit containing only an inductor, the current [H] [width=0.5\linewidth]{113.png}

In Young's double-slit experiment, the fringe width is proportional to

The work function of a metal depends on

A convex lens of focal length $20 \text{ cm}$ is placed in contact with a concave lens of focal length $40 \text{ cm}$. The power of the combination is}

The force experienced by a charge $q$ moving with velocity $v$ in a magnetic field $B$ is maximum when the angle between $v$ and $B$ is

The magnetic field at the centre of a circular coil of radius $r$ carrying a current $I$ is proportional to

According to Ohm's law, the relation between the electric current $I$ and the potential difference $V$ across a conductor is

In a Wheatstone bridge, the bridge is balanced when the ratio of the resistances in the four arms satisfies [H] [width=0.5\linewidth]{108.png}

A wire of resistance $R$ is stretched to double its original length. Its new resistance will be [H] [width=0.5\linewidth]{107.png}

The magnetic susceptibility is negative for:

Three capacitors of capacitances $3\ \mu\text{F}$, $3\ \mu\text{F}$ and $3\ \mu\text{F}$ are connected in series. The equivalent capacitance is}

The apparent frequency of a siren increases as the source approaches a stationary observer. This phenomenon is known as

The electrostatic force between two charges $q_1$ and $q_2$ separated by a distance $r$ in vacuum is $F$. If a dielectric medium of dielectric constant $K$ is introduced between them, the new force is

The time period of a simple pendulum of length $l$ is $T$. If its length is increased to $4l$, its new time period will be

A transverse wave is represented by $y = A \sin(kx - \omega t)$. The maximum particle velocity is

An open organ pipe of length $L$ resonates at its fundamental frequency. The wavelength of the sound wave produced is

The electric potential at a distance $r$ from a point charge $q$ is proportional to

In an isothermal process, which of the following remains constant?

A copper rod and an iron rod of the same length have their temperature raised by the same amount. If the coefficient of linear expansion of copper is greater than that of iron, then

The mean free path of a gas molecule is inversely proportional to

The specific heat capacity of a gas at constant pressure ($C_p$) and at constant volume ($C_v$) are related as

The efficiency of a Carnot engine working between temperatures $127^\circ\text{C}$ and $27^\circ\text{C}$ is}

A liquid rises to a height of $4 \text{ cm}$ in a capillary tube of radius $r$. If another capillary tube of radius $r/2$ is dipped in the same liquid, the height of liquid rise will be}

The rate of flow of a liquid through a capillary tube of radius $r$ and length $l$ under a pressure difference $P$ is proportional to

The acceleration due to gravity at a height $h$ above the Earth's surface is the same as that at a depth $d$ below the surface. If both $h$ and $d$ are much smaller than the radius of Earth $R$, then the relation between $h$ and $d$ is: