• Study Resource
• Explore

Survey

* Your assessment is very important for improving the work of artificial intelligence, which forms the content of this project

Document related concepts

Lorentz force wikipedia, lookup

Aharonov–Bohm effect wikipedia, lookup

Electromagnet wikipedia, lookup

Magnetic monopole wikipedia, lookup

Field (physics) wikipedia, lookup

Maxwell's equations wikipedia, lookup

Superconductivity wikipedia, lookup

Electromagnetism wikipedia, lookup

History of electromagnetic theory wikipedia, lookup

Magnetic field wikipedia, lookup

Neutron magnetic moment wikipedia, lookup

Work (physics) wikipedia, lookup

Anti-gravity wikipedia, lookup

Force wikipedia, lookup

Fundamental interaction wikipedia, lookup

Transcript
```6
A coil, mounted on an axle, has its plane parallel to the flux lines of a uniform magnetic field B, as
shown. When a current I is switched on, and before the coil is allowed to move,
A
there are no forces due to B on the sides PQ and RS.
B
there are no forces due to B on the sides SP and QR.
C
sides SP and QR attract each other.
D
sides PQ and RS attract each other.
(Total 1 mark)
7
The diagram shows a magnet placed on a top-pan balance. A fixed horizontal wire, through
which a current can flow, passes centrally through the magnetic field parallel to the pole-pieces.
With no current flowing, the balance records a mass of 201.32 g. When a current of 5.0 A flows,
the reading on the balance is 202.86 g.
(a)
(i)
Explain why the reading on the balance increased when the current was switched on.
...............................................................................................................
...............................................................................................................
...............................................................................................................
Page 5 of 34
```
Related documents