Skip to content

Course home

Sign up

10.3 Electrical energy and power

EasyMediumHard
1234567891011121314151617181920212223242526272829303132333435363738394041424344
Question 22

A theatre uses a lighting rig during a rehearsal.

type of lampnumber of lampspower of each lamp
wash lamp4150 W
spotlight2500 W

Every lamp in the rig operates continuously throughout a rehearsal lasting 25 minutes25\ \text{minutes}25 minutes.

Calculate the total energy transferred by the lighting rig during the rehearsal.

Give your answer in MJ\text{MJ}MJ.

[3]
Markscheme

10.3 Electrical energy and power Questions

  1. GCSE
  2. /Physics
  3. /10.3 Electrical energy and power

105 exam-style questions on Edexcel GCSE Physics 10.3 Electrical energy and power, covering 10.3.1 The heating effect of an electric current, 10.3.2 Reducing energy transfer in wires, 10.3.3 Advantages and disadvantages of the heating effect, 10.3.4 Energy transferred by an electrical circuit, 10.3.5 Electrical power, and 10.3.6 Energy transfers in domestic devices. Each one has a worked solution and a mark scheme showing where the marks go.

Question bank