Consider an LRC circuit that is driven by an AC applied voltage. At resonance,
A)
the peak voltage across the resistor is equal to the peak voltage across the inductor.
B)
the peak voltage across the resistor is equal to the peak voltage across the capacitor.
C)
the peak voltage across the capacitor is greater than the peak voltage across the inductor.
D)
the current is in phase with the driving voltage.
E)
the peak voltage across the inductor is greater than the peak voltage across the capacitor.
D
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At what rate is power supplied by the 10-V emf shown below?
a.
?10 W
b.
+10 W
c.
zero
d.
+20 W
e.
?20 W
Collisions in Two Dimensions: A 1500-kg car traveling at 90 km/h toward the east suddenly collides with a 3000-kg car traveling at 60 km/h toward the south. The two cars stick together after the collision. What is the direction of motion of the cars after collision?
A. 36.9° S of E B. 36.9° E of S C. 53.1° S of E D. 53.1° E of S
A car accelerates from 10.0 m/s to 30.0 m/s at a rate of 3.00 m/s2. How far does the car travel while accelerating?
A) 80.0 m B) 133 m C) 226 m D) 399 m
Seawater movement that arises from incoming ocean waves that break at an angle to the shore is called a(n) ______________ current
Fill in the blank(s) with correct word