A magnet is moved through a coil twice along the same path. The second passage takes half as long, with the magnet moving twice as fast at every corresponding position.
Which changes are expected in the voltage pulses?
Greater peak magnitude and longer duration.
Smaller peak magnitude and shorter duration.
Smaller peak magnitude and longer duration.
Greater peak magnitude and shorter duration.
92 exam-style questions on Edexcel GCSE Physics 13.1 Inducing a current, covering 13.1.1 Producing an electric current by induction, 13.1.2 Factors affecting the induced potential difference, 13.1.3 Alternators and dynamos, and 13.1.4 Microphones and loudspeakers. Each one has a worked solution and a mark scheme showing where the marks go.