Internet of things using arduino
Q1. What is Arduino?
a) Programming language
b) Open-source electronics platform
c) Image editing software
d) Text editor
Q2. What does LED stand for?
a) Low Energy Device
b) Luminescent Electron Device
c) Light Emitting Diode
d) Liquid Emitting Diode
Q3. What is the primary factor determining the color of light emitted by an LED?
a) Voltage applied
b) Composition of the semiconductor material
c) Current flow
d) Size of the LED
Q4. In which part of the electromagnetic spectrum do LEDs typically emit light?
a) Radio waves
b) Infrared
c) Visible light
d) Ultraviolet
Q5. What is a resistor primarily used for in electronic circuits?
a) Storing electrical charge
b) Amplifying signals
c) Transmitting data wirelessly
d) Regulating or limiting current flow
