What happens to the charge that leaves a battery in a complete circuit that includes a light bulb?
a. It goes to the light bulb and gets used up.
b. It goes through the light bulb and returns to the other end of the battery.
c. It accumulates at the farthest point from the bulb.
d. It is lost as heat and light.
e. It goes to the light bulb or other object and disperses throughout the system.
b
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What is the Trapezium?
A. Four massive stars at the heart of the Orion Nebula B. Three massive stars on the outskirts of the Orion Nebula C. A few hot stars whose ultraviolet light is affecting the formation of other stars D. Both A and C E. Both B and C
Two mechanical waves meet and coincide. One wave has a positive displacement from the equilibrium position, and the other wave has a negative displacement. What kind of interference occurs?
a. constructive b. destructive c. complete constructive d. none
A ball rolls over the edge of a table with a horizontal velocity v m/s. The height of the table is 1.6 m and the horizontal range of the ball from the base of the table is 20 m
What is the horizontal velocity of the ball just before it touches the ground? A) 35 m/s B) 9.8 m/s C) 20 m/s D) 4.9 m/s E) 70 m/s
Humphry Davy was able to discover six elements by using a new invention called the ______________
Fill in the blank(s) with correct word