circuit components

• -| ■- what is this

  Cell
• -■ ---|■- what is this

  Battery
• -□- what is this

  Fixed resistor
• -○~○- what is this

  Power supply
• What is thiz symbol

  Switch

  
• What is this symbol

  Bulb/filament lamp

  
• What is this sybmol

  Fuse

  
• What symbol is this

  LED (Light emiting diode)

  
• What's this symbol

  Variable resistor

  
• What is this symbol

  Ammeter

  
• What is this symbol

  Diod (only allows current to flow one way)

  
• What's this symbol

  Voltmeter

  
• What is this symbol

  LDR (Light dependent resistor)

  
• What symbol is this

  Motor

  
• What symbol is this

  D.c power supply (electricity goes on direction)

  
• What symbol is this

  Thermistor (resistance changes with temp)