Question

answer the following questions

Answer 1

Heya,
Your 1st answer
1)   Right hand thumb rule was given by Maxwell. So this rule is also known as Maxwell’s right hand thumb rule. According to this rule, imagine that you are holding a current carrying wire in your right hand so that the thumb points in the direction of the current, then the direction in which the fingers wrap the wire will represent the direction of magnetic lines of force.
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Your 2nd asnwer
2)  The Left Hand Rule shows what happens when charged particles (such as electrons in a current) enter a magnetic field. You need to contort your hand in an unnatural position for this rule, illustrated below. As you can see, if your index finger points in the direction of a magnetic field, and your middle finger, at a 90 degree angle to your index, points in the direction of the charged particle (as in an electrical current), then your extended thumb (forming an L with your index) points in the direction of the force exerted upon that particle. This rule is also called Fleming's Left Hand Rule, after English electronics pioneer John Ambrose Fleming, who came up with it.
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Your 3rd answer
3)  Fleming's Right-hand Rule (for generators) shows the direction of induced current when a conductor attached to a circuit moves in a magnetic field. It can be used to determine the direction of current in a generator's windings.
When a conductor such as a wire attached to a circuit moves through a magnetic field, an electric current is induced in the wire due to Faraday's law of induction. The current in the wire can have two possible directions. Fleming's right-hand rule gives which direction the current flows.
The right hand is held with the thumb, index finger and middle finger mutually perpendicular to each other (at right angles).The thumb is pointed in the direction of the motion of the conductor relative to the magnetic field.The first finger is pointed in the direction of the magnetic field. (north to south)Then the second finger represents the direction of the induced or generated current within the conductor (from the terminal with lower electric potential to the terminal with higher electric potential, as in a voltage source)
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Answer 2

right hand thumb rule:imagine that u r holding\grassping a current-carrying wire in ur right hand so that ur thumb points in the direction of current, then the direction in which ur finger encircle the wire / the direction in which the other four fingers are being rolled will give the direction of magnetic field line across the wire
fleming's left hand rule: hold the forefinger the middle finger and the thub of ur left hand at right angle to one another  adjust your hand in such a way tha the fore finger points in the direction of magnetic field and the middle finger points in the direction of current, then the direction in which the thumb points will give the direction of focr acting on the conductor
fleming's right hand thumb rule: hold the thumb,the middle finger and the finger at right angle to one another, adjust ur hand in such a way that forefinger points the direction of magnetic field, and the thumb points in the direction of motion of the conductor ,then the direction in which center finger points,gives the direction of induced current of the conductor

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