Advertisements
Advertisements
Question
Fill in the blank
_______ pass electricity through them.
Solution
Conductors pass electricity through them.
APPEARS IN
RELATED QUESTIONS
Distinguish between conductors and insulators of electricity. Give two examples of each.
Select conductors and insulators from the following :
Glass, silver, copper, wood, paper, pure water, impure water, aluminium, iron, leather, plastic, steel, human body and ebonite.
What are conductors and insulators of electricity? Give two examples of each.
A current of 1.5 A flows through a conductor for 2.0 s . What amount of charge passes through the conductor ?
What do you understand by the term electric cell?
A current of 1.2 A flows through a conductor for 3.0 s. What amount of charge passes through the conductor?
l-V graph is shown for a good conductor. What does the slope of the graph represent?
Write one use of insulators.
Give one example of a conductor.
Pure water is a good conductor of electricity.
Assertion (A): It is very easy for our body to receive electric shock.
Reason (R): Human body is a good conductor of electricity.
Identify the conductor from the following figures.
Name few insulators.
Picture based Question
Three conductors are joined as shown in the diagram
The current in conductor RS is 10 A. The current in conductor QR is 6 A. What will be the current in conductor PR
- 4 A
- 6 A
- 10 A
- 16 A
Explain why the bulb would not glow in the arrangement shown in Figure.
The handles of the tools like screwdrivers and pliers used by electricians for repair work usually have plastic or rubber covers on them. Can you explain why?
Observe figure.
 |
 |
| A | B |
Which of these two circuits A or B shows the correct observation?
Explain the following:
Semiconductors
