Skip to content

Course home

Sign up

2.3.1a Thermal conductors and thermal insulators

EasyMedium
123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263
Question 12

Some electric stoves use solid cast-iron plates that do not glow when they are hot.

Other stoves use ceramic glass hobs with heating elements underneath that glow bright red.

With both stoves, there is no air gap between the hob surface and a flat-bottomed metal pan placed on it.

Which statement is correct?

A

The cast-iron plate transfers energy by convection to the base of the pan.

B

The ceramic glass hob transfers energy by convection to the base of the pan.

C

The ceramic glass hob transfers less energy by radiation to the base of the pan than the cast-iron plate.

D

The cast-iron plate transfers energy by conduction to the base of the pan.

Markscheme

2.3.1a Thermal conductors and thermal insulators Questions

  1. IGCSE
  2. /Physics
  3. /2.3.1a Thermal conductors and thermal insulators

67 exam-style questions on CIE IGCSE Physics 2.3.1a Thermal conductors and thermal insulators. Each one has a worked solution and a mark scheme showing where the marks go.

Question bank