contestada

I = q/∆t
V = IR
P =VI=I2R
Rseries =R1 +R2 +R3 +...
1/Rparallel = 1/R1 + 1/R2 + 1/R3 + ...

1. A copper wire connects the terminals of a battery to an alarm clock. Over an 0.04 sec time period, 5.0 × 1014 electrons move through the wire. What is the current flowing through the wire? (Hint: The charge of an electron is 1.6 x 10-19 C).