| Front | Magnetic field due to a circular loop at its center (\(N\) turns):
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| Back | \[B = \dfrac{\mu_{\scriptscriptstyle 0}NI}{2R}\] |
| Tags | mag-fields |
| Front | Relation between Brewster's angle and refractive index: |
| Back | \[\tan i_b = \mu\] |
| Tags | wave-optics |
| Front | Current in RC Circuit, while charging: |
| Back | \[\begin{align*}I &= I_0 e^{-t/\tau_{\scriptscriptstyle c}} \\ &= \dfrac{\mathcal{E}}{R} e^{-t/\tau_{\scriptscriptstyle c}} \end{align*}\] |
| Tags | caps-charge-discharge |