AIEEE 2007 PYQ Mock Test

A long straight wire of radius $a$ carries a steady current $i$. The current is uniformly distributed across its cross section. The ratio of the magnetic field at distance $a/2$ and $2a$ from the axis is:

A current $I$ flows along the length of an infinitely long, straight, thin-walled pipe. Then:

If $M_O$ is the mass of an oxygen isotope ${}_8^{17}\text{O}$, $M_p$ and $M_n$ are the masses of a proton and a neutron respectively, the nuclear binding energy of the isotope is:

In gamma ray emission from a nucleus:

If in a p-n junction diode, a square input signal of $10\text{V}$ is applied as shown
, then the output signal across a load resistance $R_L$ (connected in series with the diode) will be: