9) A) State the laws based on conservation of charge and energy? B) In a
circuit 60v battery three resistors R1=20ohms, R2=40ohms, R3=Xohms are
connected in series. If 2 amperes current flows in the circuit, find the resistance
R3 by using Kirchhoff's loop law?
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I= 2A V=60V R3=?
R= V/I
R= 60/2
R3= 30ohm
R1=20 ohm R2=40ohm R3=30 ohm
Rs= R1+R2+R3
= 20+40+30
Rs= 90 ohm
Ihope it may be useful.
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