In Volta's cell, what is positive electrode (anode) made up of?
Silicon is $......$
$1\, \mu \,A =\ldots \ldots \ldots \,A$
There are two electric bulbs, $(i)$ marked $60\, W$, $220\, V$ and $(ii)$ marked $100 \,W , 220 \,V .$ Which one of them has higher resistance ?
What is the electric charge passing through a cross-sectional area of the conductor per unit time called?