Consider the equation $H = \frac{x^p \epsilon^q E^r}{t^s}$,where $H = \text{magnetic field}$,$E = \text{electric field}$,$\epsilon = \text{permittivity}$,$x = \text{distance}$,and $t = \text{time}$. The values of $p, q, r$,and $s$ respectively are:

  • A
    $1, 1, 1, 1$
  • B
    $-1, 1, 1, 1$
  • C
    $1, -1, -2, 1$
  • D
    $-1, -2, -2, 1$

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