Physics, 22.06.2021 14:50, nick650

Page 14 of 18 B7 Figure B7.1 is a diagram showing a 240V mains supply connected to a television
set and two lamps.
Live

The power supplied to each lamp and television is 40W and 120W respectively,
when the switches are closed.
(a)
Calculate the total power supplied,
Power = .

b)total number of kilowatt hours (kWh) of energy supplied to the
circuit in 3.0 hours,

please show working

Page 14 of 18

B7 Figure B7.1 is a diagram showing a 240V mains supply connected to a televisionse

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