large & efficient electro magnet

[therian]

will this wok as 100:1 probes ?



------/\/\/\99K\/\/\--------------------> to scope
******************|
******************/
******************\
******************/
*****************1K (1.001К)
******************\
******************/
****************** \
******************|
----------------------------------------> to scope
all resistors 1W

what about AC is it safe for AC


I already build this probes but they so noisy, pick up all wiring

------/\/\/\25M\/\/\-------------------->to scope
******************|*****|******************
******************/*****| ******************
******************\*****|******************
******************/*****\/******************
*****************1M****--******************
******************\*****| just in case 2 zener diodes( which will newer switch because of low current)
******************/*****--******************
****************** \****/\******************
******************|*****|******************
-------/\/\/\25M\/\/\------------------> to scope