A7/5 A
B5/3 A
C3/5 A
D5/7 A
Answer:
D. 5/7 A
Read Explanation:
The resistors are connected in series, so the total resistance, Rtotal the sum of the individual resistances:
Rtotal=3Ω+4Ω=7Ω Using Ohm's law,
V = IR
we can calculate the total current I=V / Rtotal=5V/7Ω