The current (measured in amperes) in a circuit is
A. never lethal if the current is due to positive charges.
B. the total number of electrons in the circuit.
C. the amount of the total energy carried by 1 Coulomb of charge.
D. the amount of charge (measured in Coulombs) that passes a point (in the circuit) in 1 second.
Answer: D
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Energy in Capacitors: An air-filled 20-?F capacitor has a charge of 60 ?C on its plates. How much energy is stored in this capacitor?
A. 70 ?J B. 80 ?J C. 90 ?J D. 100 ?J E. 110 ?J
The phase angle between V and I is
A.
B.
C.
D.
E.
The ________ is the spherical outgassing as a comet nucleus is heated by the Sun
Fill in the blank(s) with correct word
The position of an object at equal time intervals is shown below:
Which graph below correctly represents position versus time for this object?
a.
Physics & Space Science