List of top Science Questions on Electromagnetism asked in CBSE Compartment X

Assertion (A): Kilowatt-hour (kWh) is the commercial unit of electrical energy.
Reason (R): \( 1\, \text{kWh} = 10^6\, \text{Joules} \)

As shown in the diagram, an electron enters perpendicularly into a magnetic field. Using Fleming’s Left-Hand Rule, determine the direction of the force experienced by the electron. 

With the help of a labeled diagram, show the pattern of magnetic field lines around a current-carrying straight conductor. Explain how we can use the right-hand thumb rule to find the direction of magnetic field due to current.
Differentiate between a solenoid and a circular coil.
Explain how a solenoid can be made in a school lab.
Write one use of a strong magnetic field produced inside a solenoid.
State Fleming’s Left-Hand Rule.
When we connect multiple electrical appliances to a circuit with fixed current rating using the same socket: