What is the full form of LED?
-
Long Emission Diode
-
Light Energy Display
-
Light Emitting Diode
-
Low Energy Device
What does a resistor do in a circuit?
-
Reduces current flow
-
Stores energy
-
Converts AC to DC
-
Amplifies current
Which component stores electrical energy in an electric field?
-
Transistor
-
Diode
-
Resistor
-
Capacitor
What component is commonly used to amplify signals?
-
Diodes
-
Resistor
-
Transistor
-
Transformer
Which part of a mobile phone is responsible for processing?
-
Processor
-
Speaker
-
Battery
-
Antenna
Which one is used to permanently store data?
Which part of a smartphone detects screen touch?
-
Microprocessor
-
Antenna
-
Touch sensor
-
Battery
What unit is used to measure battery capacity?
-
Volt
-
milliampere-hour (mAh)
-
Ampere
-
Watt
Which device converts AC to DC?
-
Rectifier
-
Resistor
-
Inverter
-
Transformer
Which device is used to measure temperature electronically?
-
Photodiode
-
Galvanometer
-
Multimeter
-
Thermocouple