Pearson Edexcel International GCSE (9–1) · PHYSICS · Chapter
Electromagnetic Induction
61 practice questions
Topics covered
Practice questions
1–10 of 24 · Easy
Question 1
1 mark · Easy
Answer and see the solution →State what happens if a wire is moved at right angles across a magnetic field.
Question 2
1 mark · Easy
Answer and check →Which change will NOT increase the voltage induced when moving a magnet into a coil?
- A.Moving the magnet faster
- B.Using a coil with more turns
- C.Using a weaker magnet
- D.Using a stronger magnet
Question 3
2 marks · Easy
Answer and see the solution →List two ways to increase the current produced in a wire when it is moved across a magnetic field.
Question 4
2 marks · Easy
Answer and see the solution →A student rotates a coil in a magnetic field but moves it very slowly. What will happen to the voltage induced, and why?
Question 5
3 marks · Easy
Answer and see the solution →A hand-held generator is used to power a lamp for a camping tent.
(a)[1 mark]Describe what happens inside the generator as you turn its handle.
(b)[2 marks]Explain why turning the handle faster lights the lamp more brightly.
Question 6
2 marks · Easy
Answer and see the solution →Describe what will happen if a magnet is held stationary inside a coil connected to a voltmeter.
Question 7
2 marks · Easy
Answer and see the solution →Complete the sentence: When a conductor cuts through magnetic field lines, ________ is induced in the conductor.
Question 8
1 mark · Easy
Answer and check →Which part of a transformer is responsible for linking the magnetic field between the primary and secondary coils?
- A.Soft iron core
- B.Plastic casing
- C.Copper insulation
- D.Aluminium case
Question 9
1 mark · Easy
Answer and see the solution →State whether a transformer can be used with direct current (d.c.).
Question 10
1 mark · Easy
Answer and see the solution →What is the function of a step-up transformer?