(d) A potentiometer consists of a wire AB of 100 cm in length and 40 2 resistance as shown in FIGURE 2. A cell of emf 1.5 V is connected in series with 2.0 N external resistor. When a cell with emf ɛi is connected to the potentiometer, the balance length AC is 65 cm. Determine E1. E2 = 1.5 V 2.0 0 A B E1 HG FIGURE 2
(d) A potentiometer consists of a wire AB of 100 cm in length and 40 2 resistance as shown in FIGURE 2. A cell of emf 1.5 V is connected in series with 2.0 N external resistor. When a cell with emf ɛi is connected to the potentiometer, the balance length AC is 65 cm. Determine E1. E2 = 1.5 V 2.0 0 A B E1 HG FIGURE 2
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Transcribed Image Text:A potentiometer consists of a wire AB of 100 cm in length and 40 2 resistance as shown
in FIGURE 2. A cell of emf 1.5 V is connected in series with 2.0 Q external resistor.
When a cell with emf ɛ1 is connected to the potentiometer, the balance length AC is 65
cm. Determine ɛ1.
(d)
E2 = 1.5 V
2.00
A
FIGURE 2
B.
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