The electron-volt is a unit of As an electron moves in the direction the electri

Question

The electron-volt is a unit of As an electron moves in the direction the electric filed lines When a current flows through a meta wire, the moving charges are If a quantity you calculated has units of what is that quantity? A 200-W light bulb is connected across a 110-V dc power supply. What current will flow through this bulb? The resistivity of the material of a wire If the diameter of the wire is 2.00 mm and its length is 2.00 m, what is its resistance? The plates of a parallel-plate capacitor are maintained with constant voltage by a battery as they are pulled apart. What happens to the strength of the electric filed between the plates during this process? What current is flowing in a wire if 0.67 C of charge pass in the wire in 0.30 s? If the result of your calculation of a quantity has SI units kg. M2/(s2 C), that quantity could be

Explanation / Answer

8) C

9) A

10)B

11)E

12)D........I = P/V = 200/110 = 1.8A

13)C.........R = RHO*L/A = (1.76*10^-8*2)/(3.14*0.001^2) =
0.012

14) B

15) D .........0.67/0.3 = 2.2

16) A

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