ek bartan mai 10degree centigrate taap par rakha h . iss mai 42ohm pratirodh ka 1 taaar dalkar 2 empiyar ki dhara 5 min tk prabaahit ki jaati h yadi bartan ki ushmadharita 50kal/degree centigrate ho to jal ki taap bradhi ka maan bataie
ek bartan mai 10degree centigrate taap par rakha h . iss mai 42ohm pratirodh ka 1 taaar dalkar 2 empiyar ki dhara 5 min tk prabaahit ki jaati h yadi bartan ki ushmadharita 50kal/degree centigrate ho to jal ki taap bradhi ka maan bataie











