P2B

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B G G P K O V S O S D I A T B S E A R F R
P X M L N H C Q G V I R E V R S O T Q N K
C A L N W Q X C V V W P X G D O A V W E M
Q A L T E R N A T I N G C U R R E N T B S
G U S H A Q O M I O W N P I Y E C D F P J
E L E C T R I C I T Y S U P P L I E S K Q
C D H K P Q E C X A K G U S Y B J H V V C
A I C R V Q U T K R L R K M I K B K O A Q
V R F E I Q L H D V R E S C F Y R O M P M
L E A P O A B I V F I E K I S P E D S S T
U C H A V K S M B D J N D W R Q U A T G S
I T P E I J C R O P C A R B O Q S L D S A
L C L H O V O V H W L N C D T R E U M S H
T U L C I W F A H O K D T W A M A K I W P
J R U W N F K J R T P Y W W L C B S B I D
P R E X O U A D L V C E K E U X L K J C M
F E J T O O F Q F D H L G X S I E I Q D P
R N N S V U N C P K E L Q M N N I S L Y S
H T Q Q T N W L N C R O A P I N D S K H P
A B M T I W R D E C A W Y O O G C Q P K B
I T U O X B M E D C K B Y G F C G S M E M

Clues

  • An oscilloscope measures... (11, 8)
  • Battery electricity is... (6, 7)
  • Earth wire is... (5, 3, 6)
  • Live wire is... (5)
  • Mains electricity is... (11, 7)
  • Neutral wire is... (4)
  • What does the fuse do if the current is to large? (5)
  • Why are circuit breakers better than fuses? (9)
  • Why are fuses better than circuit breakers? (7)
  • Why are the wires in a plug encased in plastic? (9)

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