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The direction of the electric field line follows the path of a ______________

Which device has a larger internal resistance?

Two capacitors with CA greater than CB and are connected in series with a battery. Which of the following is true?

A circuit is set up with a batter connected to a capacitor. As the battery voltage increases, the charge density on the capacitor plates

A 6.0 nC charge is placed at the origin and a second charge -6 nC is placed on the x-axis at x = 0.30 m. What is the electric field at x = +0.15 m?

A copper wire has a resistance of 0.75 Ω at 20.0ºC, and an iron wire has a resistance of 0.525 Ω at the same temperature. At what temperature are their resistances equal? Material Coefficient   α = 1/oC 2 Copper 3.9 x 10-3 Iron 5.0 x 10-3   

Do I need a text book?

I have my Hands on Lab kit or will be getting it soon. I understand the first lab is due by the end of week 1.

Two capacitors, C1 = 4.34 μF and C2 = 13.8 μF, are connected in parallel, and the resulting combination is connected to a 9.00-V battery. What is the equivalent capacitance? [ans1] The charge on each capacitor in parallel will be [ans2] The electric potential on each capacitor in parallel will be [ans3]  

The relative radiosensitivity of a tumor can be increased by: