The covalent alkaline earth metal halide $(X = Cl, Br, I)$ is

Consider the following statements $A$ and $B$ and identify the correct answer given below.
$A$. Peltier coefficient is numerically equal to the potential difference across the junctions of the thermocouple through which current is flowing.
$B$. According to Thomson,energy is neither absorbed nor evolved at the junction of a thermocouple but is absorbed or evolved only along the lengths of both the conductors.

Which of the following glands is associated with the occurrence of sarcoma-type cancer?

Consider the following statements:
$(I)$ The radius of an anion is larger than that of the parent atom.
$(II)$ The ionization energy generally increases with increasing atomic number in a period.
$(III)$ The electronegativity of an element is the tendency of an isolated atom to attract an electron.
Which of the above statements is/are correct?

Which region is considered the secondary center of origin for coffee production?

What is the current through an ideal $P-N$ junction diode shown in the figure below? (in $mA$)