Electrical Conductivity
Trending Questions
How electricity passes through human body ?
- electrons
- protons
- neutrons
- nucleons
- salts
- acids
- bases
Do liquids conduct electricity? How can we check for the conductivity of liquids using a tester?
Many liquids that conduct electricity are solutions of _________.
acids
bases
salts
acids, bases or salts
- A strip of paper
- A wooden piece
- A piece of chalk
- An iron piece
- Plastic
- Copper
- Wood
- Glass
What precaution do you take while handling a switch?
Question 5
Which one of the following solutions will not conduct electricity?
(a) Lemon juice
(b) Vinegar
(c) Tap water
(d) Vegetable oil
How is Mercury Heated?
Give one word for the following statement.
The process of coating of iron with zinc to prevent corrosion.
- bases
- distilled water
- salts
- acids
- good conductors
- poor conductors
- insulators
- Sodium chloride
- Copper sulphate
- Silver nitrate
- Sugar solution in diluted water
- Sugar solution
- Vinegar solution
- Caustic soda solution
- Lemon juice
(a) pure water
(b) salt solution
(c) lime juice
(d) lead of pencil
Most of the liquids that conducts electricity are solutions of_________.
sugar
sand or soil
acids, bases or salts
sugar or alcohol
Statement 2: Under certain conditions, current can flow through a poor conductor.
- Both the statements are true and statement 2 is the correct explanation of statement 1.
- Both the statements are true and statement 2 is not the correct explanation of statement 1.
- Statement 1 is true and statement 2 is false.
- Statement 1 is false and statement 2 is true.
- False
- True
Question 2
Electric current is to be passed from one body to another. For this purpose, the two bodies must be joined by
(a) cotton thread
(b) plastic string
(c) copper wire
(d) rubber band
True
False
- Radiators
- Good conductors
- Resistors
- Insulators
- Sulphuric acid
- Air
- Rubber
- H2O
- Distilled water
- ORS drink
- Tap water
- Salt water
- True
- False
Question 1 (b)
Fill in the blank.
The passage of an electric current through a solution causes _______effects.