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Question: electric current will not be able to generate...

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Electric current will not be able to generate magnetic field to deflect a needle. compass needle. )Changing the current is a circuit may produce current in a nearby circuit? )Moving a magnet around a circuit can produce current in a nearby circuit. Around static charges, there are both electric fields and magnetic fields. Around moving charges, there are both electric fields and magnetic fields. )Magnetictield lines (outside the bar magnet) points toward north pole and way from the south pole. The Earths magnetic field line typically pointing North on the earth surface. The Earth is a huge permanent magnet, whose South Magnetic Pole is actually around the Earths geographic North Pole. The Earths magnetic field is created by a huge magnetic bar inside the Earth. )The Earths magnetic field is created by ions and electrons (charges) circulating in the liquid Earths core, acting like a loop of current. A static charge in a magnetic field will experience a force. )only moving charges can experience force due to a magnetic field. )Both positive and negative charges moving in the same direction in a magnetic field will experience force in the same direction. )Two positive charges moving in opposite directions in a magnetic field will experience force in the same direction. )A positive charge and a negative charge moving opposite directions on the plane perpendicular to the magnetic field will experience magnetic force in the same direction. The magnetic force is proportional to the B field strength, the amount of charge as well as the speed of the charged particle
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