Course home

3.1 Energy stores and calculations

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71

Question 20

In one second, an electric motor has a total energy input of 6200 J.

In one second, 1400 J of energy is wasted as thermal energy transferred to the surroundings.

Calculate the useful energy transferred by the electric motor in one second.

[1]

Markscheme

3.1 Energy stores and calculations Questions

GCSE
Physics
3.1 Energy stores and calculations

82 exam-style questions on Edexcel GCSE Physics 3.1 Energy stores and calculations. Each one has a worked solution and a mark scheme showing where the marks go.

3.1 Energy stores and calculations

Question bank

3.1 Energy stores and calculations

Easy Medium Hard

Question 20

In one second, an electric motor has a total energy input of 6200 J.

In one second, 1400 J of energy is wasted as thermal energy transferred to the surroundings.

Calculate the useful energy transferred by the electric motor in one second.

[1]

Markscheme

3.1 Energy stores and calculations Questions

GCSE
Physics
3.1 Energy stores and calculations

82 exam-style questions on Edexcel GCSE Physics 3.1 Energy stores and calculations. Each one has a worked solution and a mark scheme showing where the marks go.