Calculate the chatge passing through an electric bulb in 30 minutes if the urrent is 300ma
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here I=300mA=0.3a
t=30m=30×60=1800s
q=It
q=0.3×1800
q=450c
t=30m=30×60=1800s
q=It
q=0.3×1800
q=450c
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