When We Are Digging for the Gold We Have to Go Through the Dirt! #Shorts #Magnetbrains

we often say "a current is going through the wire " What goes through the wire,the charge or the current ?

When we stretch a wire, we have to perform work. Why? What happens to the energy given to the wire in this process?

As we go from the equator to the poles, the value of g

When we rub our hands they become warm. Have we supplied heat to the hands?