Transferring Electrical Energy Worksheet Page 32
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46Using coal (advantage)
any one from
can generate electricity all of the time
accept reliable electrical / energy supply
generates a lot of (electrical) energy
1
Using coal (disadvantage)
any one from
pollution by carbon dioxide / greenhouse gas
accept slow start-up time or production of ash or difficult to
transport (coal) or there’s not much coal left
non renewable
pollution by sulphur dioxide acid rain
1
(b)
all link lines correct
accept one link line correct for one mark
2
[6]
M3.
(a)
(i)
…….. light …… electrical
2
for 1 mark each
(ii)
…….. electrical……chemical
for 1 mark each
2
(iii)
…….. electrical ….. kinetic
for 1 mark each
2
Page 32 of 46
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