3.In the circuit below a dry cell is connected to a resistor of resistance R and an ammeter to measure the current I through the resistor. Cll R Figure 25 With R = 1.02, I = 1.0A and if R = 42, I = 0.8A. Which of the following A to D correctly gives the e.m.f. and internal resistance of the dry cell? e.m.f Internal resistance

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Chapter1: Units, Trigonometry. And Vectors
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Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...
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3.In the circuit below a dry cell is connected to a resistor of resistance R and an ammeter to measure the
current I through the resistor.
Cęll
R
Figure 25
With R = 1.02, I = 1.0A and if R = 42, I = 0.8A. Which of the following A to D correctly gives the
e.m.f. and internal resistance of the dry cell?
%3D
e.m.f
Internal resistance
A
1.5V
ero
В
1.5V
0.62
1.6V
0.4 2
1.6V
0.6 Q
Transcribed Image Text:3.In the circuit below a dry cell is connected to a resistor of resistance R and an ammeter to measure the current I through the resistor. Cęll R Figure 25 With R = 1.02, I = 1.0A and if R = 42, I = 0.8A. Which of the following A to D correctly gives the e.m.f. and internal resistance of the dry cell? %3D e.m.f Internal resistance A 1.5V ero В 1.5V 0.62 1.6V 0.4 2 1.6V 0.6 Q
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