If the battery voltage does not change, adding more devices in series __ the current.?

Question

a- sometimes decreases

b- always decreases

c- sometimes increases

d- always increases

Answer 1

b

Adding more devices in a series circuit increases the equivalant resistance of the circuit

Since V = I*R and V is constant, if R increases, current 'I' MUST decrease to keep V constant

Answer 2

Adding more devices in a series only increases the voltage requirement. But, in a series circuit, the current always stay constant, as opposed to parallel circuits, where the voltage is constant, but current varies.