Question text
30 A computer engineer wants the speed of a fan to increase when the temperature inside a computer increases. The engineer knows that a larger current causes the fan to turn more quickly. fan motor power M supply X computer Which component should be placed at X to make this happen? A a relay B a thermistor C a transformer D a variable resistor
30 A computer engineer wants the speed of a fan to increase when the temperature inside a computer
increases. The engineer knows that a larger current causes the fan to turn more quickly.
fan motor
power
M
supply
X
computer
Which component should be placed at X to make this happen?
A a relay
B a thermistor
C a transformer
D a variable resistor
Select your answer: