A cell of internal resistance 2 ohms supplies current to a 6 ohms resistor. The efficiency of the cell is

Redhawk

2 years ago

r is internal resistance
R is external resistance or resistor
R=2
r=6
e of cell = Ir/I(R+r) * 100%
I cancel each other
r
-- * 100%
R+r
input it and get your freaking answer

kairakizitor7

1 year ago

jamb 3-0 Nigerians way wan enter university

Destinedtowin

4 years ago

the 2 current cancel out
leaving R/R+r