What happens when the central bank of a country “injects” cash to it’s economy? Where does the money come from, and where does it go?

Question

What happens when the central bank of a country “injects” cash to it’s economy? Where does the money come from, and where does it go?

In: Economics

Answer 1

Print more money (devalues currency) ‘inject’ as in lends money for cheap(low interest rate)