(English Medium) ICSE Class 9 - CISCE Question Bank Solutions for Physics

How is the current flowing in a conductor changed if the resistance of conductor is doubled keeping the potential difference across it the same? 

State three factors on which the resistance of a wire depends. Explain how the resistance depends on the factors stated by you. 

State whether the resistance of filament of a bulb will decrease, remain unchanged or increase when it glows.

Name the physical quantity of which the unit is coulomb

Name the physical quantity of which the unit is ohm 

Name the physical quantitiy of which the unit is ampere

Current in a circuit flows : 

The unit of potential difference is : 

On increasing the resistance in a circuit, the current in it : 

A cell of potential difference 12 V is connected to a bulb. The resistance of filament of bulb when it glows is 24Ω. Find the current drawn from the cell.

A bulb draws current 1.5 A at 6.0 V. Find the resistance of filament of bulb while glowing.

A current 0.2 A flows in a wire of resistance 15Ω. Find the potential difference across the ends of the wire.

At what temperature the pure water has (a) maximum density (b) minimum volume?

Select the correct option:

Which is not a unit of distance?

What do you understand by the term unit?

What do you understand by the term magnitude, as applied to a physical quantity?