PASCO SF-8607, SF-8608 User Manual
Instruction Manual and
Experiment Guide for the
PASCO scientific Model
012-04046C
5/92
SF-8607 and SF-8608
Basic Current Balance
and
Current Balance Accessory
SF-8607
Basic Current Balance
SF-8608
Current Balance Accessory
Copyright © June 1989 $5.00
Basic Current Balance and Accessory 012-04046C
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012-04046C Basic Current Balance and Accessory
T able of Contents
Section Page
Copyright, Warranty, and Equipment Return............................................... ii-iii
Introduction .....................................................................................................1
Equipment........................................................................................................2
Operation .........................................................................................................3
Experiments
Experiment 1 Force versus Current ....................................................5
Experiment 2 Force versus Length of Wire........................................6
Experiment 3 Force versus Magnetic Field........................................7
Experiment 4 Force versus Angle ......................................................8
Maintenance.....................................................................................................9
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Basic Current Balance and Accessory 012-04046C
Copyright, Warranty and Equipment Return
Please—Feel free to duplicate this manual
subject to the copyright restrictions below.
Copyright Notice
The PASCO scientific Model SF-8607 Basic Current
Balance and SF-8608 Current Balance Accessory
manual is copyrighted and all rights reserved. However, permission is granted to non-profit educational
institutions for reproduction of any part of this manual
providing the reproductions are used only for their
laboratories and are not sold for profit. Reproduction
under any other circumstances, without the written
consent of PASCO scientific, is prohibited.
Limited Warranty
PASCO scientific warrants this product to be free
from defects in materials and workmanship for a
period of one year from the date of shipment to the
customer. PASCO will repair or replace, at its option,
any part of the product which is deemed to be defective in material or workmanship. This warranty does
not cover damage to the product caused by abuse or
improper use. Determination of whether a product
failure is the result of a manufacturing defect or
improper use by the customer shall be made solely by
PASCO scientific. Responsibility for the return of
equipment for warranty repair belongs to the customer. Equipment must be properly packed to prevent
damage and shipped postage or freight prepaid.
(Damage caused by improper packing of the equipment for return shipment will not be covered by the
warranty.) Shipping costs for returning the equipment, after repair, will be paid by PASCO scientific.
Equipment Return
Should the product have to be returned to PASCO
scientific for any reason, notify PASCO scientific by
letter, phone, or fax BEFORE returning the product.
Upon notification, the return authorization and
shipping instructions will be promptly issued.
ä
NOTE: NO EQUIPMENT WILL BE
ACCEPTED FOR RETURN WITHOUT AN
AUTHORIZATION FROM PASCO.
When returning equipment for repair, the units
must be packed properly. Carriers will not accept
responsibility for damage caused by improper
packing. To be certain the unit will not be
damaged in shipment, observe the following rules:
➀ The packing carton must be strong enough for the
item shipped.
➁ Make certain there are at least two inches of
packing material between any point on the
apparatus and the inside walls of the carton.
➂ Make certain that the packing material cannot shift
in the box or become compressed, allowing the
instrument come in contact with the packing
carton.
Address: PASCO scientific
10101 Foothills Blvd.
Roseville, CA 95747-7100
Phone: (916) 786-3800
FAX: (916) 786-3292
email: techsupp@pasco.com
web: www.pasco.com
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012-04046C
Current Balance and Accessory
Introduction
A current-carrying wire in a magnetic field experiences a force that is usually referred to as a magnetic
force. The magnitude and direction of this force
depend on four variables: the magnitude of the current
(I); the length of the wire (L); the strength of the
magnetic field (B); and the angle between the field and
the wire (θ).
This magnetic force can be described mathematically
by the vector cross product:
F
= IL X B,
m
or in scalar terms,
= ILBsinθ.
F
m
With the PASCO SF-8607 Basic Current Balance, you
can vary three of the variables in the equation—the
current, the length of the wire, and the strength of the
magnetic field—and measure the resulting magnetic
force. By adding the SF-8608 Current Balance
Accessory, you can also vary the angle between the
wire and the magnetic field, thereby performing a
complete investigation into the interaction between a
current carrying wire and a magnetic field.
This manual supplies general operating instructions for
both the SF-8607 Basic Current Balance and the
SF-8608 Current Balance Accessory. Step-by-step
instructions for four experiments are also included.
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