Where is the north magnetic pole of this current loop? A. Top side. B. Bottom side. C. Right side. D. Left side. E. Current loops don't have north poles.
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A: Solution: As per the given data,
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Q: 23. A 1000-kg car moves west along the equator. At this location Earth's magnetic field is 3.5 ×…
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Q: . A long straight wire is carrying a current of 2.4 A in a region where the magnetic field is…
A: given that,I=2.4 AB=0.5 mTB=0.5×10-3 Tl=3 mforce, F=?θ=90°
Q: 2. A proton travels to the west at 3 m/s. The Earth's magnetic field is directed to the north and…
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Q: 5. You hook up a slinky to some batteries and run current through it. You use a Hall probe to…
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Q: 8.) The Earth's magnetic poles remain in fixed positions, coinciding with the geographic poles. a.…
A: Polarity of earth's magnetic field
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A: Given data, Magnetic field B=1 ×10-3 T Length l=0.02 m Constant μ0=4π×10-7 m/A
Q: The magnetic force exerted on a charged particle by a B-field is affected by all but the following.
A: Magnetic force exerted on charged particle depends on which factor.
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Q: When a magnet is passed through a conducting wire coil, the changing magnetic flux will induce
A: Answer A an electromagnetic force in the coil.
Q: The magnetic field of 481.43 G is LT O a. 481430.00 O b. 0.04814 O c. 0.48143 O d. 4814300.00
A: Given data : Magnetic field = 481.43 G
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- 9. A bar of length 0.30 m slides without friction along current-carrying rails in a magnetic field of 0.54 T. Find the magnetic force on the bar if the bar carries a 4.00 A current. A. Zero 0.65 N 1.23 N B. C. D. E. 1.67 N 2.16 N TIn which way do permanent magnets and electromagnets differ? A. Electromagnets can be turned on and off.B. Permanent magnets can only be used in fixed positions.C. Electromagnets can attract other substances besides metals.D. The largest permanent magnets are weaker than the largest electromagnets.6. Green turtles use the earth’s magnetic field to navigate. They seem to use the field to tell them their latitude—how far north or south of the equator they are. Explain how knowing the direction of the earth’s field could give this information.
- The magnetic field inside a solenoid is proportional to both the applied current and the number of turns per unit length. Select one: a. True b. False c. None of the aboveYou put a magnet inside a coil of wire. Why is there not a current produced in the coil when the magnet is sitting in the wire? Select one: a. The magnet has to be very strong to cause current to flow. b. There has to be motion to cause current to flow. c. The wire has to have low resistance for current to flow. d. The magnetic field inside the coil isn't changing.