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Physics, 24.06.2020 18:01 ayowazzzgood

As shown in Figure 3,the internal resistance of the battery r=1.5Ω,R1=R2=R3=4Ω,R4=10Ω (a)When the key S1 and S2 are disconnected, the voltage meter read 4V, find the power emf.
(b)When the key S1 and S2 are closed,
(i)What is the reading of the voltmeter?
(ii)What is the reading of the ammeter?


As shown in Figure 3,the internal resistance of the battery r=1.5Ω,R1=R2=R3=4Ω,R4=10Ω

(a)When the

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As shown in Figure 3,the internal resistance of the battery r=1.5Ω,R1=R2=R3=4Ω,R4=10Ω (a)When the k...

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