It is legal to look for work while visiting Canada. Obviously, you should always tell the truth to the officer and state your purposes in the country. You would also need to prove to the immigration officer that the plan is to leave Canada within the maximum allowed time and that you will not work in the country without the proper work permit.
Dielectric materials for semiconductor chips. Dielectric material characterize with very low electrical conductivity (one millionth of a mho / cm), in which an electric field can be sustained with a minimal leakage. It can store electrical energy/charge.
The most common way to separate them is a salt bridge. In an electrochemical cell, the potential energy of the cell is converted to an electrical current, which we can use to light a bulb, or to do some other electrical work. Galvanic Cells. Galvanic or voltaic cells store electrical energy. Batteries are made from a series of galvanic cells, to produce a higher voltage.