Internet of things using arduino
Q1. Where are linear potentiometers commonly used?
a) Audio equipment
b) Automotive lighting
c) Horticulture
d) Aerospace
Q2. What is the purpose of logarithmic potentiometers in audio applications?
a) To adjust frequency
b) To control volume
c) To regulate temperature
d) To measure resistance
Q3. What do potentiometers facilitate in user interfaces?
a) Power generation
b) Data encryption
c) User interaction
d) Signal transmission
Q4. What is the function of a potentiometer in motor speed control?
a) To regulate voltage supplied to the motor
b) To measure motor speed
c) To amplify motor signals
d) To generate motor power
Q5. What is the primary function of LEDs in aviation?
a) Cabin lighting
b) Instrumentation
c) Navigation
d) Communication
