An electric dryer connected to a 120-V source draws 8.0 A of current. For the electric dryer, find the number of coulombs that flow through in 0.90 min
Answer (1)
To find the number of coulombs that flow through the electric dryer in 0.90 minutes, we can use the relationship between current, time, and charge. The formula to calculate charge Q in coulombs is given by:
Q = I × t
where:
Q is the charge in coulombs,
I is the current in amperes (A),
t is the time in seconds (s).
The current I given is 8.0 A.
The time t needs to be converted from minutes to seconds first. Since there are 60 seconds in a minute:
0.90 min = 0.90 × 60 s/min = 54 s
Now, plug the values into the formula:
Q = 8.0 A × 54 s = 432 C
So, the number of coulombs that flow through the electric dryer in 0.90 minutes is 432 C.
