If resistance rises, current flow decreases. If the voltage is increased proportional to the rise of resistance, the current will remain the same.
hiss - a fricative sound (especially as an expression of disapproval); the performers could not be heard over the hissing of the audience fizzle, hissing, hushing, sibilation noise - sound of any kind (especially unintelligible or dissonant sound); he enjoyed the street noises; they heard indistinct noises of people talking; during the firework display that ended the gala the noise reached 98 decibels
Cats don't usually hiss to show dominance or threaten other animals. They usually hiss when they feel vulnerable, frightened, or in pain. However, cats may still hiss out of aggression. Either way, trying to punish a cat for hissing will only make it more upset, and likely to hiss even more.