Search results

can someone please answer the following questions... o_Opretty plz 1. A transfromer is said to be 90% efficient. If the transformer has an input of 240 V, an output voltage of 24.5V and has an ouptut current of 2.65 A, determine the electricical energyu drawn from the power supply in 3 hours...

i have to create a powerpoint presentation on the social and ethical issues on the internet ... but still couldn't find any info on the internet privacy, security, accuracy of data and the negative impact on society... does any one have any information/sites on these?? thx~_~"