Question

A battery of 50 volts is attached to a series combination of 5ohm,0ohm,10ohm.the current in the circuit is?

Answer 1

Answer:

E=50V and R=10Ω and i=4.76A

i=

R+r

E

⟹4.76=

10+r

50

⟹47.6+4.76r=50

⟹4.76r=2.4

⟹r=

4.76

2.4

⟹r=0.5Ω