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# Unit: Magnetic effects of electric current (Hindi)

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How do magnets attract each other over a distance? What are magnetic fields? Why do we talk about these fields? We will explore all these questions in this section

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### Practice

- Magnetic field lines: directionGet 3 of 4 questions to level up!
- Magnetic field lines: special propertiesGet 3 of 4 questions to level up!
- Magnetic field lines: field strengthGet 3 of 4 questions to level up!

Level up on the above skills and collect up to 240 Mastery points

Can we get magnetic fields without using a magnet? Turns out a man named Oersted figured out that we can, from electric current. Let's explore more in this section.

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### Practice

- Right-hand thumb ruleGet 3 of 4 questions to level up!
- Magnetic field around a straight current-carrying wireGet 3 of 4 questions to level up!

Level up on the above skills and collect up to 160 Mastery points

Electromagnets are magnets whose properties can be controlled using electricity. Let's explore how to make one.

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### Practice

- Direction of magnetic field due to a current-carrying circular loopGet 3 of 4 questions to level up!
- Magnetic field due to a current-carrying solenoidGet 3 of 4 questions to level up!

Current carrying wires can push on tiny magnets. So can magnets push on current carrying wires? In this section, we will explore just that.

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- Force on a current in a magnetic fieldGet 3 of 4 questions to level up!
- Fleming's left-hand ruleGet 3 of 4 questions to level up!

Level up on the above skills and collect up to 320 Mastery points

How does electric current make your fan spin? In this section we will explore the working of an electric motor.

### Practice

- Electric motor: parts and functionsGet 3 of 4 questions to level up!
- Electric motor: workingGet 3 of 4 questions to level up!

"What's the big deal?" asked a reporter when Faraday announced his great discovery. He replied, "one day our whole economy will run on this". More than 200 years later, our entire world is still powered by the same phenomenon, electromagnetic induction. In this section, we will explore this.

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### Practice

- Electromagnetic inductionGet 5 of 7 questions to level up!

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Level up on all the skills in this unit and collect up to 1200 Mastery points!