Answer:
charge passed = 1800 C
Step-by-step explanation:
• We can use the following formula to calculate charge:
, 
where:
Q = charge in Coulombs 
I = current in amperes (0.5 A)
t = time in seconds (1 h = 60 min = 3600 s).
• Substituting the values into the formula:
charge = 0.5 × 3600
 = 1800 C