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Exam 1 Review

# Exam 1 Review - cl l x Figure 1 Figure 2 Recitation 5 3...

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Unformatted text preview: cl \ l x Figure 1 Figure 2 Recitation 5 3 Test Review PHYS 2114 9/22/2010 Chapter 20 #28 in Figure 1, point P is midway between two charges. Find the electric field in the plane ofthe page (a) at 5.0 cm to the left of P, (b) 5.0 cm directly above P, and (c) at P. Chapter 20 #43 In Figure 2, take q1 = 68 uC, q2 = —34 uC, and q3 = 15 pC. Find the electric force on q3. LCslz N2 « 0.39325 N: Chapter 21 # 27 y ' What is the electric flux through each closed surface shown in Figure 3? .. °l= - z . (Al-a /£0 E v i L, 0 A60 Chapter 23 # 15 £0 Three point charges +q and a'fourth, -%q, are assembled to form a square of side 0. Find an expression for the electrostatic energy of this charge distribution. {A .. K LL15}: *0 V ”maﬁa—um Chapter 23 # 52 OWE What is the equivalent capacitance of the four identical capacitors in Figure 4? 7*/ Li 1/“; 1.9349 3" 3 3 3c, Chapter 23 # 55 Find the energy stored in the 1—pF capacitor when a 50—V battery is connected between points A and B, in Figure 5. W31 [”33“ . ...
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