A 30-mF capacitor is charged to an unknown potential V0 and then connected across an initially uncharged 10-mF capacitor. If the final potential difference across the 10-mF capacitor is 20 V, determine V0

a. 13 V
b. 27 V
c. 20 V
d. 29 V
e. 60 V

B

Physics & Space Science

You might also like to view...

The flow of energy is always from hot to cold and is called ___________

Fill in the blank(s) with correct word

View
Physics & Space Science

What is the total mass of the Earth's atmosphere? (The radius of the Earth is 6.4 × 10^6 m, and atmospheric pressure at the surface is 105 N/m2.)

a. 5 × 10^16 kg b. 1 × 10^18 kg c. 5 × 10^18 kg d. 1 × 10^20 kg

View
Physics & Space Science

A parallel-plate capacitor is disconnected from a battery, and the plates are pulled a small distance further apart. Does DV increase, decrease, or stay the same?

1.increase 2.decrease 3.remains the same

View
Physics & Space Science

What did Rutherford's famous scattering experiment help to prove in his day?

A. The nucleus of an atom is positively charged. B. The nucleus of an atom takes up a large portion of the space in an atom. C. The scattering with the gold foil could either be due to a single interaction with a nucleus or multiple interactions with electrons. D. Alpha particles are neutral and massive. E. Thomson's model was essentially correct.

View
Physics & Space Science