Two resistors of 4 Ω and 6 Ω are connected in parallel across a battery
PHYSICS · Single correct · A Level · Physics · Electricity · Electricity
Problem
Two resistors of 4 Ω and 6 Ω are connected in parallel across a battery. If the 4 Ω branch is opened (disconnected), what happens to the current through the 6 Ω resistor?
(a) It halves
(b) It doubles
(c) It remains the same
(d) It becomes zero