the image below shows an example of motor effect, wherein increasing the current can increase the force acting on the copper rod. Which of the following is not a way of increasing the size of the force acting on the copper rod? Copper rod N Horseshoe magnet using stronger magnet increasing magnetic flux density increasing the length of the copper rod in the magnetic field coiling of the copper rod increasing environmental pressure

the image below shows an example of motor effect, wherein increasing the current can increase the force acting on the copper rod. Which of the following is not a way of increasing the size of the force acting on the copper rod? Copper rod N Horseshoe magnet using stronger magnet increasing magnetic flux density increasing the length of the copper rod in the magnetic field coiling of the copper rod increasing environmental pressure

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