Q8.18Very short answer
The magnetic field of a beam emerging from a filter facing a floodlight is given by B0 = 12 × 10–8 sin (1.20 × 107 z – 3.60 × 1015 t) T. What is the average intensity of the beam?
The magnetic field of a beam emerging from a filter facing a floodlight is given by B0 = 12 × 10–8 sin (1.20 × 107 z – 3.60 × 1015 t) T. What is the average intensity of the beam?