A resistor is connected to an AC power supply. On this circuit, the current
A) leads the voltage by 90.
B) lags the voltage by 90.
C) is in phase with the voltage.
D) leads the voltage by 45.
E) lags the voltage by 45.
Question 2
In a dream you're in a car traveling at 50 km/h and you bump into another car traveling toward you at 48 km/h. The speed of impact is
A) 48 km/h.
B) 50 km/h.
C) 98 km/h.
D) 2400 km/h.