MCQ
The charge on electron is:
- A$+e$
- ✓$-e$
- C$1/e$
- D$-1/e$
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$\vec B = 1.6 \times {10^{ - 6}}\,\cos \,\left( {2 \times {{10}^7}z + 6 \times {{10}^{15}}t} \right)\left( {2\hat i + \hat j} \right)\frac{{Wb}}{{{m^2}}}$ The associated electric field will be