ELECTRON
CIRCUIT
CURRENT
INSULATOR
GENERATOR
RECEPTOR
SWITCH
BATTERY
VOLTAGE
WIRE
BUZZER
R
E
C
E
P
T
O
R
Z
I
H
V
O
R
V
O
L
T
A
G
E
L
G
A
I
N
S
U
L
A
T
O
R
B
E
X
E
U
W
Y
Y
A
V
T
A
V
N
L
C
H
I
B
B
I
B
T
I
P
E
I
U
T
T
U
E
U
T
R
P
C
R
I
R
C
C
Q
Z
E
H
N
T
D
A
R
R
O
H
Z
R
W
I
R
E
I
T
Y
E
N
E
Y
E
B
O
C
A
U
O
W
N
R
C
E
H
N
E
U
I
U
R
T
T
