Multiple choice question VIII — task. Science CBSE, Class 10.

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1. Which option explains Fleming’s left-hand rule to understand the working of a motor?

When a current-carrying conductor is placed in a magnetic field, it experiences a force from the magnetic field.
When a current-carrying conductor is moved with force, it creates a magnetic field.
When a conductor is moved inside a magnetic field, the current is produced in the conductor.
When the magnetic field is moved relative to the conductor, the current is produced in the conductor.

2. A soft iron bar is introduced inside a current-carrying solenoid. The magnetic field inside a solenoid:

Decrease
Will increase
Will become zero
Will remain unaffected

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