10.3c Ex3 MJ18 P11 Q36 Potentiometer Balance Lengths | AS DC Circuits | CAIE A Level 9702 Physics
Example 3 - 9702/11/M/J/18: A uniform resistance wire XY of length 100 cm is connected in series with a cell L. Another cell M is connected in series with resistors of resistances 5.00 Ω, 10.0 Ω and 15.0 Ω. The potential difference (p.d.) between P and Q is balanced against 12.5 cm of the resistance wire, so that the ammeter reads zero. The p.d. across the other resistors is then balanced against other lengths of the resistance wire. Which balanced lengths of resistance wire correspond to the connection points given in the table? #97092s18p11 #ASpotentiometerP1 #ASpotentialDividerP1 #Lv3 #DCcircuits Chapter Playlist: • Ch10 DC Circuits | CAIE 9702 AS Physics Instagram Pocket Guide ( / etphysics ) More Resources (https://9702-physics.blogspot.com/) Support us! ( / etphysics ) Tuition/Tutoring inquiries: Email: [email protected] Whatsapp: https://wa.me/60126679171 Recorded at MCKL #CambridgeALevelPhysics 9702_s18_qp11
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