Question

A current of 4.5A flows through a resistor for a short time, so that 800 coulombs passes through the

resistor. For how many seconds must the current be flowing for this to be true?"
A) 177.78 seconds
B) 188.89 seconds
C) 166.67 seconds
D) 155.56 seconds

Answer 1

A current of 4.5A must flow for 177.78 seconds to move 800 coulombs through a resistor, using the relationship Q = I × t.

Step-by-step explanation:

To determine for how many seconds a current of 4.5A must flow to move 800 coulombs through a resistor, we can use the relationship between current (I), charge (Q), and time (t), which is given by the equation Q = I × t. To find the time, we rearrange the equation as t = Q / I. Plugging in the values, we get t = 800 C / 4.5 A which equals 177.78 seconds.