Electric circuit symbols

• Open switch
• Closed switch
• Open door
• Thermistor

• Cell
• Battery
• Power supply
• Magnet

• Battery
• Cell
• Variable power supply
• Transformer

• AC power supply
• Wave machine
• Loudspeaker
• Light source

• Transformer
• Coil
• Spring
• Heater

• Ammeter
• Voltmeter
• Activity monitor
• AC power supply

Identify the symbol?

• Switch

• Electric cell

• Battery

• Bulb

Series circuit provide?

• Less voltage

• More voltage

• More current