MJ21 P12 Q36 Potentiometer Voltmeter Reading Change | May/June 2021 | Cambridge A Level Physics
9702/12/M/J/21: A cell of constant electromotive force (e.m.f.) but with internal resistance is connected to a fixed resistor R using a potentiometer. A voltmeter measures the potential difference (p.d.) between the terminals of the cell. Which statement explains the change to the reading of the voltmeter as contact Z is moved towards end X of the potentiometer? #9702s21p12 #ASpotentiometerP1 #Lv3 #DCcircuits Playlist • Ch10 DC Circuits | CAIE 9702 AS Physics MJ21 Paper Discussion Playlist: • 9702 MJ21 Papers CAIE 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 9702_s21_qp12 #CambridgeALevelPhysics
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