yes lot size depend on our account balance and i say that we work in market with low lots and we do not use big lots size order in market and beginners must use low lots in market and beginner follow the good trading strategies and beginners work with careful trading methods and beginners always understand the market risk management and work in market with experience then beginners make good earning in forex market
For beginners my dear mates i will suggest you the lowest lot size of 0.01 for new traders this lot size is a key to learn about the market movements and to learn about the Forex so just keep trading with the lot of 0.01 and soon you will be getting good knowledge about the market.