In the left-hand rule, the field is represented by the forefinger and it is perpendicular to the motion.
<h3>Fleming’s Left-Hand Rule:</h3>
A force perpendicular to the field's direction and the direction of the current flow is experienced by a current-carrying conductor when it is exposed to an external magnetic field. According to Fleming's Left Hand Rule, if the thumb, forefinger, and middle finger are arranged in a straight line on the left hand, the thumb will point in the direction of the force experienced by the conductor, and the forefinger will point in the direction of the magnetic field, and the middle finger will point in the direction of the electric current. This rule is employed to determine the magnetic force's direction within an electric motor.
Fleming’s Left-Hand Rule are essential rules applicable in magnetism and electromagnetism. They were created by John Ambrose Fleming in the late 19th century as an easy method of determining the direction of motion in an electric motor.
Learn more about Fleming’s Left-Hand here:
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<span>364N should be your answer.. hope this helps
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Answer:
Turns of the primary coil: 500
Current in the primary coil: Ip= 0.01168A
Explanation:
Considering an ideal transformer I can propose the following equations:
Vp×Ip=Vs×Is
Vp= primary voltaje
Ip= primary current
Vs= secondary voltaje
Is= secondary current
Np×Vs=Ns×Vp
Np= turns of primary coil
Ns= turns of secondary coil
From these equations I can clear the number of turns of the primary coil:
Np= (Ns×Vp)/Vp = (20×120V)/4.8V = 500 turns
To determine the current in the secondary coil I use the following equation:
Is= (1.4W)/4.8V = 0.292A
Therefore I can determine the current in the primary coil with the following equation:
Ip= (Vs×Is)/Vp = (4.8V×0.292A)/120V = 0.01168A
The Martian acceleration of gravity (as measured by this jury-rigged device) is
(0.4 cm/1.08 cm) x (9.81 m/s²)
That's <em>3.63 m/s²</em> .
Google says 3.711 m/s², so I guess that's not too bad.
Only about 2% wrong.
Answer:
the law of conservation of mass and the law of constant compositionthe law of conservation of mass and the law of constant composition
