Electromagnetism, etc. Q & A

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Part Two

The figure below shows a compass and a magnet. Label the poles of the magnet and draw the field lines on the magnet. Q#22

The three diagrams show the field lines between the poles of two magnets. Identify the poles A, B, C, D, E and F as north or south poles. Q#23

Label the poles of the solenoid below if the current flows in the wire in the direction shown. Q#24

Draw the meter reading that you would expect in each of the following cases: Q#25

Q#26

Q#27

 Describe the effect of the speed of the magnet on the electricity produced in the coil of wire. Q#28

 Name one other factor (other than speed of magnet and number of loops) that could affect on the electricity produced in the coil of wire. Describe the effect(s). Q#29

 Name one factor that affects the magnetic field induced in an electromagnet. Q#30

 Name one factor that affects the magnetic field induced in an electromagnet. Q#31

 Name one factor that affects the magnetic field induced in an electromagnet. Q#32

 Name one factor that affects the voltage induced in the secondary coil of a transformer. Q#33

Q#34

 Name two applications of an electromagnet. Q#35

 Explain the Fleming ’ s Left-Hand Rule and when can one use it? Q#36

 What is a motor? Q#37

 What is a generator? Q#38

 Explain the Solenoid Rule. Q#39

 Give two applications of the motor effect. Q#40

 Give one energy source that uses the principle of electromagnetic induction to produce electricity and one energy resource that does not. Q#41