Practice Electric and magnetic fields with authentic MYP MYP Physics exam questions for both SL and HL students. This question bank mirrors Paper 1, 2, 3 structure, covering key topics like mechanics, thermodynamics, and waves. Get instant solutions, detailed explanations, and build exam confidence with questions in the style of MYP examiners.
A solenoid is compressed such that its length is reduced while the total number of turns and the current remain constant. Which of the following describes the change in the magnetic field strength inside the solenoid?
While a loudspeaker converts electrical signals into sound, a microphone uses a similar interaction between magnetic fields and current to convert __________ into electrical signals.
In an electromagnet, the presence of an iron core increases the magnetic field strength because the core's magnetic __________ become aligned with the field of the coil.
In the region immediately surrounding a straight current-carrying wire, what is the angle between the direction of the conventional current and the direction of the magnetic field lines?
According to the energy transfer sequence in electromagnetic devices, electrical energy is first converted into __________ energy before it can produce mechanical motion.
Why does placing a 'soft' iron core inside a solenoid significantly increase the strength of the resulting electromagnet?
When observing the magnetic field lines around a straight current-carrying wire, how does the spacing between the concentric circles change as the distance from the wire increases?
Which of the following statements correctly describes the magnetic field produced by a long current-carrying solenoid?
A student replaces the iron core of an electromagnet with a plastic rod of the same dimensions. What is the most likely effect on the magnetic field?
When using the right-hand grip rule for a straight wire, the direction of the __________ is represented by the direction in which the right thumb is pointing.
Practice Electric and magnetic fields with authentic MYP MYP Physics exam questions for both SL and HL students. This question bank mirrors Paper 1, 2, 3 structure, covering key topics like mechanics, thermodynamics, and waves. Get instant solutions, detailed explanations, and build exam confidence with questions in the style of MYP examiners.
A solenoid is compressed such that its length is reduced while the total number of turns and the current remain constant. Which of the following describes the change in the magnetic field strength inside the solenoid?
While a loudspeaker converts electrical signals into sound, a microphone uses a similar interaction between magnetic fields and current to convert __________ into electrical signals.
In an electromagnet, the presence of an iron core increases the magnetic field strength because the core's magnetic __________ become aligned with the field of the coil.
In the region immediately surrounding a straight current-carrying wire, what is the angle between the direction of the conventional current and the direction of the magnetic field lines?
According to the energy transfer sequence in electromagnetic devices, electrical energy is first converted into __________ energy before it can produce mechanical motion.
Why does placing a 'soft' iron core inside a solenoid significantly increase the strength of the resulting electromagnet?
When observing the magnetic field lines around a straight current-carrying wire, how does the spacing between the concentric circles change as the distance from the wire increases?
Which of the following statements correctly describes the magnetic field produced by a long current-carrying solenoid?
A student replaces the iron core of an electromagnet with a plastic rod of the same dimensions. What is the most likely effect on the magnetic field?
When using the right-hand grip rule for a straight wire, the direction of the __________ is represented by the direction in which the right thumb is pointing.