Question 29
The diagram below shows a bar-shaped magnet arranged as a pendulum to swing just into 2 coils.
Which sequence that the LEDs light as the pendulum oscillates O → P → O → Q → O?
a. O → P, which LED lights? (Score: 0.5)
b. P → O, which LED lights? (Score: 0.5)
c. O → Q, which LED lights? (Score: 0.5)
d. Q → O, which LED lights? (Score: 0.5)
Which sequence that the LEDs light as the pendulum oscillates O → P → O → Q → O?
a. O → P, which LED lights? (Score: 0.5)
b. P → O, which LED lights? (Score: 0.5)
c. O → Q, which LED lights? (Score: 0.5)
d. Q → O, which LED lights? (Score: 0.5)