19.6 electric circuit

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Question 1

• A
• B
• C
• D

Question 2

• A Both the iron and the steel remain magnetised.
• B Neither the iron nor the steel remian magnetised.
• C Only the iron remains magnetized.
• D Only the steel remains magnetized.

Question 3

• A 0.50 1.0
• B 0.50 2.5
• C 0.75 1.0
• D 0.75 2.5

Question 4

• A 0.67 Ω
• B 1.5 Ω
• C 5.0 Ω
• D 6.0 Ω

Question 5

• A a light-dependent resistor
• B a relay
• C a thermistor
• D a variable rsistor
• Option 5

Question 6 A lamp is connected in four circuits in turn, each using identical batteries. The resistors are all identical. In which circuit will the lamp be brightest?

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Question 7 Which test could be used to find which end of a magnet is the north pole?

• A putting it near a compass needle
• B putting it near a ferrous metal
• C putting it near a non-ferrous metal
• D putting it near a steel spoon

Question 8

• A N N
• B N S
• C S N
• D s S

Question 9

• A 9.0 N
• B 9.0 V
• C 36 N
• D 36 V