an election lamp whose resistance is 8 ohms and a conductor of connection is reries to a 5 volt battery calculate A the total resistance of the circuit B the current through the circuit
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In series combination,
R=R
Lamp
+R
conductor
=10Ω+2Ω=12Ω
I=
R
V
=
12Ω
6v
=0.5A
⇒V
Lamp
=IR=0.5×10=5V
solution
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