napetost

1. tension; suspense
   Napetost pred ispit bila je ogromna. — The tension before the exam was huge.
   Film drži napetost do samog kraja. — The film keeps up the suspense to the very end.
2. (in relations) tension; strain
   Između dve zemlje raste napetost. — Tension between the two countries is growing.
3. (of muscles, a string) tension; tightness
   Masaža smanjuje napetost u mišićima. — Massage relieves muscle tension.

Electrical voltage in Serbian is napon, not napetost.