HARD
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A simplified diagram of an electric motor is as shown. The loop of wire is horizontal in a horizontal magnetic field. 

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In which direction is the force on side Y of the wire loop?

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Important Questions on Magnetic Effects of Electric Current

MEDIUM

A uniform magnetic field pointing top to bottom in a plane of paper. When an electron is allowed to move perpendicular to it, it gets deflected outwards. The electron must be moving along:

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EASY
What is the magnitude of force F on a charge q moving with a velocity v in a perpendicular magnetic field B?
EASY

In the figure which law is shown? Label 1 and 2 in relation to the law shown.

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MEDIUM
A Potential difference will be induced between the ends of the conductor when conductor moves along 
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HARD

An electron move with velocity v in a uniform magnetic field B. The magnetic force experienced by the electron is

EASY
A positively charged particle (alpha particle) projected towards west is deflected towards north by magnetic field. The direction of magnetic field is
EASY

The magnetic field around a current carrying conductor AB is given in the figure. Based on Maxwell's right-hand screw rule, find the direction of the current through the conductor. 

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EASY

At the centre of which of the following four circular rings has maximum magnetic field while passing equal current through each one?

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EASY

Name the law shown in the figure. Label 1 and 2 according to this law.

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EASY

What is Fleming's left-hand rule for the direction of force on a current carrying conductor?

EASY
Which of the following particles will experience maximum force when projected with same velocity in a direction perpendicular to the magnetic field.
EASY

According to Fleming's right hand rule. What does the direction of middle finger shows?