Which of the following is a major source of protein?

Under the influence of a uniform magnetic field,a charged particle is moving in a circle of radius $R$ with constant speed $v$. The time period of the motion

$A$ coil of wire of radius $r$ has $600$ turns and a self-inductance of $108 \ mH$. The self-inductance of a coil with the same radius and $500$ turns is (in $mH$)

Which of the following statements is not correct?

The equation of the parabola with the focus $(3,0)$ and the directrix $x+3=0$ is:

Identify $acetaldoxime$.