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 4PH0 | W 17 1 | Q5

W 17 1
5
Add To Classified

A student sets up a circuit to investigate how the current in different components

varies with voltage.

He investigates these components.

  ● a short thick copper wire

  ● a filament lamp

  ● a long thin copper wire

  ● a diode

 

W 17 1
5
(a)
Add To Classified
4 Mark s

State four other pieces of equipment the student needs.

 

   

any four in any order  

voltmeter;

ammeter;

power supply;

variable resistor/connecting wires/switch; 

 

 

accept battery 

 

accept variable

power supply for

2 marks 

 

 

 

 

W 17 1
5
(b)
Add To Classified

During the investigation, the student keeps the two copper wires at a 

constant temperature.

W 17 1
5
(b) (I)
Add To Classified
1 Mark

Give a reason why he should keep the wires at a constant temperature.

 

 

any 1 of the following:

MP1. resistance changes with temperature;

MP2. temperature affects current;

MP3. the wire will get hot because of the

current;  

W 17 1
5
(b) (II)
Add To Classified
2 Mark s

Describe how he could keep the wires at a constant temperature.

 

   

 

any suitable method;  

further detail; 

e.g.

use a switch

only on for short time 

allow wire to cool between readings

use only low current 

 

 

 

allow water bath

 

W 17 1
5
(c)
Add To Classified
3 Mark s

 The student obtains a graph for each component.

  Draw a straight line linking each component to its correct graph.

 

4 correct lines score 3 marks;;;

2 or 3 correct lines score 2 marks;;

1 correct line scores 1 mark; 

 

-1 if multiple lines drawn to or from the same

box

 

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.