$CATEGORY: Science - Khan Academy/13.Magnetic Effect of electric current/13.Magnetic Effect of electric current--Solved numerical: Fleming's left hand rule

//Multiple Choice

What does Fleming's Left Hand Rule help to determine? {
    ~Direction of magnetic field
    ~Direction of current in a conductor
    =Direction of force on a current-carrying conductor
    ~Direction of electric field
}

In Fleming's Left Hand Rule, which finger represents the direction of the current? {
    ~Index finger
    =Middle finger
    ~Thumb
    ~Ring finger
}

Which of the following fingers is used to show the direction of magnetic field in Fleming’s Left Hand Rule? {
    =Index finger
    ~Middle finger
    ~Thumb
    ~Little finger
}

When applying Fleming's Left Hand Rule, the thumb points in the direction of the\: {
    ~Magnetic field
    =Force
    ~Current
    ~Electric field
}

//True or False

Fleming's Left Hand Rule is used to find the direction of force on a current-carrying conductor in a magnetic field. {T}

In Fleming’s Left Hand Rule, the index finger represents the direction of current. {F}

The thumb in Fleming’s Left Hand Rule represents the direction of the magnetic field. {F}

Fleming’s Left Hand Rule is primarily used in the working of electric motors. {T}

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