Question

A CELL OF emf 2V & INTERNAL RESISTANCE 1 OHM SUPPLIES A CURRENT OF 0.5A TO A RESISTANCE WHOSE VALUE IS ?

Answer 1

V=2,I=0.5,r=1

I=E/R+r
0.5=2/R+1
0.5(R+1)=2
0.5R+0.5=2
0.5R=2-0.5
R=1.5/0.5
R=3 OHMS