Task 2: Electromagnetism

Decide which formula or right-hand rule you need to use and complete the following calculations. Make sure your answer has the correct number of significant digits and units.

Question 1: A transformer has 100 turns in its primary coil, a voltage of 10.8 volts in its secondary coil, and a voltage of 120 volts in its primary coil. What is the number of turns in the secondary coil?

Question 2:

An electric kettle is connected to a 120-volt supply and has a resistance of 25 ?. What is the current flow like in the kettle?

Question 3:

1. State whether the magnetic fields around each wire are clockwise or counterclockwise. Wil the wires attract or repel each other.