info@qrpastpapers.com +20 106 606 6272

qr past papers logo brand

  • Home
  • Products
  • Free Past Papers
  • more
    • Plans
    • About
    • Our Team
    • Contact Us
    • How It Works
    • Our Services
    • Why Us?
    • Login
    • Sign Up
    • Cart and payment
Edexcel | Physics WPH0 | W 16 4 1 | 1 hour 30 minutes
QP PDF
Manage Classified
MS PDF
  • Q1
  • Q2
  • . . . .
  • Q3
  • Q4
  • Q5
  • Q6
  • Q7
  • Q8
  • Q9
  • Q10
  • Q11
  • Q12
  • Q13
  • Q14
  • Q15
  • Q16
  • Q17
  • Q18
17
Add To Classified

A student set up an experiment to determine the magnetic flux density between two

magnadur magnets. A magnadur magnet has its north and south poles on opposite large

rectangular faces. The two magnets were attached to a yoke, with opposite poles facing,

as shown in the diagram.

The student zeroed the balance and then placed the magnets and yoke on it. The reading

A conducting rod connected to a d.c. power supply was held stationary between the

magnets as shown. An ammeter was used to measure the current through the conducting

rod.

The circuit diagram shows the arrangement when viewed from above.

The power supply was switched on. The student increased the current through the

conducting rod and the corresponding reading on the balance was recorded.

The following results were obtained.

17
(a)
Add To Classified
4 Mark s

Add an arrow to the circuit diagram to indicate the direction of the magnetic field

between the magnets. Justify your answer.

Upward arrow added to diagram

Justification

(From results) there is force downwards / into paper

This is the force on the magnet and by N3 the force on the rod is in the

opposite direction

Reference to LH rule (leads to direction of magnetic field)

17
(b)
Add To Classified
6 Mark s

Describe how the results can be used to determine the magnetic flux density by a

graphical method. You are not expected to do the calculations.

Refers to F = BIl

Calculate weights Or uses F = mg

Measure (perpendicular) length of rod within the magnetic field

Identifies a suitable graph (see below)

Determines gradient of graph

Correct calculation of B consistent with their graph (see below)

y axis

  • Q1
  • Q2
  • . . . .
  • Q3
  • Q4
  • Q5
  • Q6
  • Q7
  • Q8
  • Q9
  • Q10
  • Q11
  • Q12
  • Q13
  • Q14
  • Q15
  • Q16
  • Q17
  • Q18

QR Past Papers.

Email:info@qrpastpapers.com
Phone: +2 0106 606 6272

  • Home
  • Legal Information
  • Terms And Conditions
  • Return & Refund Policy
  • Privacy policy
  • Login
  • Register
  • Shop
  • About us
  • Contact US
  • Services

Our Social Networks

Follow us

© Copyright 2021, QR PAST PAPERS. All Rights Reserved.
All the included past papers are copyrighted © University of Cambridge Local Examinations Syndicate (UCLES), which we have collected from various online sources and gathered together in one website.