Question

an electric dipole moment of 2.0*10^-6[i+2j] is plscrd in uniform electric filed of 2*10^3i n/c. torque by dipole is​

Answer 1

Answer:

$\frac{}{p} = 2 \times {10}^{ - 6}(i + 2j) \\ = (2i + 4j) \times {10}^{ - 6}$

$</p><p> \frac{}{E=} 2 \times {10}^{3} </p><p>i \:N/c$

$torque \: t = \frac{}{p} \times \frac{}{E } =$

substituting the value

$(2i + 4j) {10}^{ - 6} \times (2 \times {10}^{3} i)N/C \\ \green {using \: cross \: product \: method} \\ = (4i + 8k) \times {10}^{ - 3} Nm$

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