weirdest series of car trouble after running great for 4 years

please,any ideas will be appreciated! my daughters father cut serpintine belt,it broke while i was driving [just sliced it].had the serp.belt replaced,charged the now dead battery car turns over but wont fire. checked several fuses[i pulled big silver fuse on left side of fuse panel while not running [not knowing thats a no-no] and now the car has absolutely no power. ive been stranded at a friends w 2 yr old ffor 4 days! please help

Silver fuse? Probably a circuit breaker......just plug that back in.....

I assume the car cranks over, but doesn't fire?

If the car was running ok, until the belt broke, it's possible the broken belt took out the crank sensor or the harness to it......this would be verified by no spark and no injector pulse....