Electric Field Mapping

1
Electric Field Mapping
CLASS ACTIVITY
2
EQUIPMENT

• PASCO EQUIPOTENTIAL AND FIELD GRADIENT MAPPER
• PARALLEL PLATE PATTERN
• 2 PT. CHARGE PATTERN
• CORK BOARD
• 2 LEAD WIRES
• 6 V BATTERY
• 2 ALUMINUM PUSH PINS
• DIGITAL MULTIMETER (VOLTMETER)

3
INSTRUCTIONS

• SELECT PARALLEL PLATE PATTERN
• CONNECT BATTERY TO ELECTRODES VIA PUSH PINS
• HOLD NEGATIVE LEAD OF VOLTMETER ON NEGATIVE
  ELECTRODE.
• FIND 5-6 PTS OF 1V POTENTIAL
• CONNECT TO FORM 1V EQUIPOTENTIAL
• REPEAT FOR 2-5 VOLT POTENTIALS
• DRAW E FIELD LINES OF FORCE
• REPEAT FOR 2 PT SOURCE PATTERN
• HAVE STUDENTS DRAW THEIR MAPS ON GRAPH PAPER

4
E map Parallel Plates

-
5
E map Parallel Plates

-
6
E map Parallel Plates

-
Sample Results
7
E map Parallel Plates

-
Calculate E (V/m)
8
E map Parallel Plates

-
Calculate impact V of proton electron
9
E map Parallel Plates
EQUIPOTENTIALS
6V

CONNECT POINTS OF EQUAL POTENTIAL
ELECTRICAL ELEVATION
-
10
E Field Mapping
11
E Map 2 pt charges
12
E Map 2 pt charges
Sample Results
13
(No Transcript)
14
Electric Field Map
-

15
(No Transcript)
16
(No Transcript)