Puluwannam mehema dapan mchn...mokada A/L physics wala widyuthaya karana kenek dannawa vadi vibawayak thiyeddi eka bedanna, darawa adu karanna thamai oya kiwwa wage resistor danne kiyala..Ita passe hoyana kramayath dannawa..eth nodanna kenekta ehema karanne ay kiyala poddak pahadili karoth...