A dipole of moment vecp = 10^(-7) (5hati...

A dipole of moment `vecp = 10^(-7) (5hati + hatj - 2hatk)` C is placed in an electric field `vecE = 10^(7) (hati + hatj + hatk) V m^(-1)` . Find the torque experienced .

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`vec(tau)=vecPxxvecE=|(hati,hatj, hatk),(5,1,-2),(1,1,1)|`
`=hati(1+2)+hatj(-2-5)+hatk(5-1)=3hati-7hatj+4hatk`
`|vec(tau)|=8.6N-m`

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