6.7.2.1 A coil of wire Shaping a wire to form a 0.5 Draw the magnetic field pattern for Plan an experiment to see if a carrying an solenoid increases the a straight wire carrying a current coil of wire has a stronger electric current strength of the magnetic and for a solenoid. magnetic field than a straight has its own field created by a current Describe the effect on the wire when both carry the magnetic field. through the wire. The magnetic field of changing the same electric current. What magnetic field inside a direction of the electric current. are the control variables in solenoid is strong and this experiment? uniform. Describe ways of increasing the magnetic field strength of a Find the magnetic pattern The magnetic field around solenoid. of a solenoid using iron filings a solenoid has a similar or a plotting compass. How shape to that of a bar Explain how an electromagnet can can the shape of the magnet. be made from a solenoid. magnetic field inside the Adding an iron core Research uses of solenoids in solenoid be determined? increases the magnetic medicine and in security doors. field strength of a solenoid. An electromagnet is a solenoid with an iron core.
6.7.2.1 A coil of wire carrying an electric current has its own magnetic field. Shaping a wire to form a solenoid increases the strength of the magnetic field created by a current through the wire. The magnetic field inside a solenoid is strong and uniform. The magnetic field around a solenoid has a similar shape to that of a bar magnet. Adding an iron core increases the magnetic field strength of a solenoid. An electromagnet is a solenoid with an iron core. 0.5 Draw the magnetic field pattern for a straight wire carrying a current and for a solenoid. Describe the effect on the magnetic field of changing the direction of the electric current. Describe ways of increasing the magnetic field strength of a solenoid. Explain how an electromagnet can be made from a solenoid. Research uses of solenoids in medicine and in security doors. Plan an experiment to see if a coil of wire has a stronger magnetic field than a straight wire when both carry the same electric current. What are the control variables in this experiment? Find the magnetic pattern of a solenoid using iron filings or a plotting compass. How can the shape of the magnetic field inside the solenoid be determined?
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