HARD
9th ICSE
IMPORTANT
Earn 100

How does the flow of charge inside the wire take place?

Important Questions on Current Electricity

MEDIUM
9th ICSE
IMPORTANT
Draw a simple electric circuit diagram comprising cell, electric bulb, rheostat, ammeter and a plug key.  
MEDIUM
9th ICSE
IMPORTANT
How does the resistance of a wire vary, if area is made half?  
MEDIUM
9th ICSE
IMPORTANT

How does the resistance of a wire vary, if length is made double?

MEDIUM
9th ICSE
IMPORTANT
Is there any change in current when a wire of different material of same length and area of cross-section is used? Explain it. 
MEDIUM
9th ICSE
IMPORTANT
Give the resistance of an ideal ammeter. Why does it so? 
MEDIUM
9th ICSE
IMPORTANT
Draw a circuit diagram to show that how voltmeter is connected in an electric circuit, what is use of voltmeter in an electric circuit?
HARD
9th ICSE
IMPORTANT
Differentiate between a closed circuit and an open circuit with the use of suitable labelled diagrams.
MEDIUM
9th ICSE
IMPORTANT
Give two examples to explain that the use of modern eco-friendly technologies is more efficient and less polluting.