look at the image and answer
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1.total resistance=20+4(in series)
=24ohm
2.V=IR(ohms law)
6=I×24
I=0.4ampere
3.V(of lamp)=0.4(20)
V=8volts
Power of lamp (P)=VI
=8×0.4=3.2watt
4.V(of conductor)=IR=0.4×4=1.6volts
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