EduNinja

[Maximum number: 1]

The diagram shows a solenoid carrying an electric current.

Which row compares the strength of the magnetic field due to the solenoid at points Y and Z with the strength of the magnetic field at point X ?

magnetic field

strength at Y

magnetic field

strength at Z

equal to X

less than X

equal to X

greater than X

less than X

greater than X

[Maximum number: 1]

The diagram shows the pattern of the magnetic field due to the current I in a straight wire.

Which row is correct?

direction of field

relative

strength of field

X

greater at P than Q

Y

greater at P than Q

X

greater at Q than P

Y

greater at Q than P

[Maximum number: 1]

The diagram shows part of a long current-carrying conductor.
At which point is the magnetic field strongest?

CAIE IGCSE Physics 4.5.3 Magnetic Effect of a Current Topic Practice