This problem of setting unambiguous questions which actually test the students knowledge of his subject has been around for at lnearly a century as is attested by this story about Niels Bohr. http://felix.physics.sunysb.edu/~allen/Jokes/bohr.html > The best question ever is a very simple one: you have 1x10K, 1x1nF, > 1xBC107, 1xLM741. > What can you do with those (used all or separated)? > This question beat any test with variants. > > Vasile > -- > http://www.piclist.com/techref/piclist PIC/SX FAQ & list archive > View/change your membership options at > http://mailman.mit.edu/mailman/listinfo/piclist > --=20 __________________________________________ David C Brown 43 Bings Road Whaley Bridge High Peak Phone: 01663 733236 Derbyshire eMail: dcb.home@gmail.com SK23 7ND web: www.bings-knowle.co.uk/dcb --=20 http://www.piclist.com/techref/piclist PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist .