8Class Electrical Conductivity of Liquids Test 2

Among Electro typing,Electroplating,Electroprinting,Galvanizing __________ method is used in ornamentation and decortion

• Electro typing
• Electroplating
• Electroprinting
• Galvanizing

Electroplating is possible through

• Electrolysis
• Chemical process
• Dissolving
• Filtration

Distilled water is

• Electric conductor
• semiconductor
• Insulator
• Resistor

In an electrolyte, these are responsible for the flow of electric current

• Movement of protons
• Movement of electrons
• Movement of neutrons
• Movement of ions

Current flows from ____________ terminal to ______________ terminal in an electrolyte

• Positive to positive
• Positive to Negative
• Negative to Negative
• Negative to Positve

Processed food items are preserved in _____________ coated iron cans

• Zinc
• Gold
• Tin
• Magnesium

In LEDs, the longer lead (wire) is always connected to the _______ terminal

• negative
• neutral
• positive
• Any terminal

The scientist who made first cell

• Alessandro Volta
• Luigi Galvani
• Pierre de Fermat
• Newton

The longer lead of an LED is connected to ___________ terminal of the battery

• Positive
• Negative
• Ground
• None

The ___________ lead of an LED is connected to positive terminal of the battery

• Long
• Short
• No lead is conneced
• Leads are connected to ground