SUNY Old Westbury Electric Energy Density Questions

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fnhthf13

Science

Suny Old Westbury

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I'm working on a physics multi-part question and need guidance to help me understand better.

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R 1) A Resistor bank is shown in the figure below. It connects to a battery having voltage of 30V. Determine the power expended in W) by R4. Give answer to two places to the right of the decimal point. Q1. Rz ww R. R, = 32 Ru R4 AM R2=42 R5 Me ell R4 Ro Rn Rs=72 #r R6=14 Rr 82 Rq R3=22 =62 XV = 01 2) A capacitor bank is shown in the figure below. It connects to a battery of 40.0 V. as shown in the circuit below. If the energy stored by the bank is 1.74 m), what is the capacitance (in uF) of C4? Give answer to two places to the right of the decimal point. QZ C Cz C C )) , 3 uF =luf Cy ? C Co ت اسه C C6 عر کار - و ل ي م ل ت س7 ۔ اسک Hov 3) Three charges are on a x-y coordinate system in the figure below. If the work required to move 92 from its original position to infinity is -4.50 J, determine 92 (UC). Give answer to two places to the right of the decimal point. Q3 Y у 8, = -6.54C 110,4) cm • 83 (5,4) cm 8== ? ? 83=+8.24C X Х qz (5,0)cm QUESTION 4 4) A sphere containing a total charge -4.00 mC and radius r= 10.0 cm is placed at the origin of a coordinate system. A test charge qo positioned 34.0 cm from the surface of the sphere experiences a repulsive electric force of magnitude 8.00 N. Determine the charge (nC) of qo- Give answer to two places to the right of the decimal point. Q4. Sphere of charge -4.00mC go 5) If two parallel charged plates separated by 0.500 mm have a potential difference of 20.0 V, determine the electric energy density (in mJ/m3) in the space between them. Give answer to two places to the right of the decimal point. Q5. 0.5mm . + + + + air + 11 AV - 201
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fhsvlnan17 (535)
UC Berkeley

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