Page 148 - Physics Form 5 KSSM_Neat

Activity 4.2 ISS ICS

Aim: To observe magnetic field pattern through a computer simulation
SCAN ME
Instructions: SCAN ME
Simulation of
1. Carry out a Think-Pair-Share activity. magnetic field
2. Scan the QR code to observe the computer simulation that pattern
KEMENTERIAN PENDIDIKAN MALAYSIA
shows the method of drawing the pattern of the resultant http://bit.ly/3gou5Vf
magnetic field.
3. Scan the QR code and print the worksheet.
SCAN ME
4. Based on the computer simulation that you watched, SCAN ME
complete the worksheet to show the formation of the Worksheet
catapult field.
5. Label the direction of the force acting on the http://bit.ly/3gjqVC4
current-carrying conductor.

Figure 4.3 shows the catapult field formed when
a current-carrying conductor is in a magnetic field. A
catapult field is a resultant magnetic field produced Info
by the interaction between the magnetic field from a • For a straight conductor, the direction of
current-carrying conductor and the magnetic field from the magnetic field is determined by the
a permanent magnet. The catapult field exerts a resultant right hand grip rule.
force on the conductor. • For a permanent magnet, the
direction of the magnetic field is from
Magnetic field from north to south.
permanent magnet • The region of weak magnetic field and
the region of strong magnetic field is
determined as follows:
Opposing magnetic
N S field lines, weak
magnetic field

Magnetic field from current-carrying conductor
N S

Force

Magnetic field lines
in the same direction,
strong magnetic field

N S
Direction of current out of the
plane of the paper
Direction of current into the plane
of the paper

Figure 4.3 Formation of catapult field
138 LS 4.1.2