Using the sense of the arrow, what is the current I? -0.7 A 0.7 A 0.15 A -0.2 A

Question

Using the sense of the arrow, what is the current I? -0.7 A 0.7 A 0.15 A -0.2 A 0.2 A If the you measure a 31 cm focal length for a lens using an optical bench while the manufactures envelope you removed the lens from says 35 cm, What is you experimental percent error. 4 % 11 % 13 % 0.11 % 0.13 % A cylinder which is in a horizontal position contains a monoatomic ideal gas (y = 5/3) at 5.26 times 10^4 pa and is sealed with a massless piston. The piston is slowly moved inward under adiabatic conditions. If the initial volume of the gas was 0.4 m^3 and the final volume was 0.02 m^3, calculate the change in internal energy of the system. increases by 1.85 kJ increases by 3.70 kJ decreases by 1.85 kJ decreases by 3.70 kJ none of these

Explanation / Answer

9)

Using KCL,
0.5 + I - 0.3 = 0
So, I = -0.2 A

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