![vector analysis - How to deduce $\nabla\cdot (A\times B) = (\nabla\times A)\cdot B - (\nabla\times B)\cdot A $ using differential forms? - Mathematics Stack Exchange vector analysis - How to deduce $\nabla\cdot (A\times B) = (\nabla\times A)\cdot B - (\nabla\times B)\cdot A $ using differential forms? - Mathematics Stack Exchange](https://i.stack.imgur.com/XltW3.png)
vector analysis - How to deduce $\nabla\cdot (A\times B) = (\nabla\times A)\cdot B - (\nabla\times B)\cdot A $ using differential forms? - Mathematics Stack Exchange
Current sensitivity of a moving coil galvanometer is 5 div/mA and its voltage sensitivity (angular deflection per unit voltage applied) is 20 div/V. The resistance of the galvanometer is?
![Calculus 3: Divergence and Curl (27 of 50) Identity 3: DIV(f G)=f [DIV(F)]+F [Gradient(f)] - YouTube Calculus 3: Divergence and Curl (27 of 50) Identity 3: DIV(f G)=f [DIV(F)]+F [Gradient(f)] - YouTube](https://i.ytimg.com/vi/9oeAIN4n2Ko/hqdefault.jpg)