Edexcel Gcse Physics/additional Science - Unit P2 Physics For Your Future Page 14
ADVERTISEMENT
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
3414
CONTROLLING ELECTRIC CURRENT
3
An inventor is designing a battery-powered torch.
She wants the torch to have a brightness control.
dim
bright
brightness control
(a) Which of these could she use in this control?
(1 mark)
Put a cross (
) in the box next to your answer.
A
a diode
B
a light-dependent resistor
C
a thermistor
D
a variable resistor
(Question continues on next page)
(Turn over)
ADVERTISEMENT
0 votes
Related Articles
Related forms
Related Categories
Parent category: Education