Calculate the energy stored in 20μF capacitor if the p...
Calculate the energy stored in 20μF capacitor if the potential difference between the plates is 40 V.
3.2 x10-2J
1.6x102J
8.0x10-4J
4.0x10-4J
2.0x10-4J
Correct answer is B
E = 1/2cv2 = 1/2 x 10 x 10-6 x 402 = 1.6 x 10-2J
The property of the eye known as its power of accommodation is controlled by the ...
Which of the following types of waves cannot travel through a vacuum? ...
Which of the following statements defines correctly the efficiency of a machine? ...
Which of the following statement is TRUE of ultraviolet, visible and infra-red rays? ...
A particle in circular motion performs 30 oscillation in 6 seconds. Its angular velocity is...