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​

Which of the following correctly describes what happens when an atomic bomb explodes? small pieces of fissionable material are joined and form a body with a mass greater than the critical mass, the relative number of neutrons escaping decreases, and a chain reaction and explosion result. large pieces of fissionable matter are brought together quickly and form a body with a mass smaller than the critical mass, the relative number of escaping neutrons increases, and a chain reaction and explosion result.