Can a photon be deflected by an electric field? By a magnetic field?

Is it always true that for two sources of equal intensity, the number of photons emitted in a given time are equal?

What is the speed of a photon with respect to another photon if

(a) the two photons are going in the same direction and

(b) they are going in opposite directions?

A hot body is placed in a closed room maintained at a lower temperature. Is the number of photons in the room increasing?

Should the energy of a photon be called its kinetic energy or its internal energy?