Does it work? Will hanging a magnet in front of an íron cart make it go? Explain why or why not.

Q: Aircraft sometimes acquire small static charges. Suppose a supersonic jet has a 0.650 µC charge and…

A: We can calculate the magnitude of the force from the relation  F=qvBsinθ here, F=force q= charge v=…

Q: What work does the magnetic force do on a charged particle? -qvBℓ -qBℓ -12 hours a day of…

A: Suppose a charged particle (q) is moving along the rod (up or down) with some speed v. The magnetic…

Q: If a uniform magnetic field pointed directly into your computer screen and a proton moved to the…

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Q: Can a watch-sized electromagnet deflect a bullet? Explain your answer.

A: When electric field is applied to ferromagnet, it behaves like a permanent magnet. The strength of…

Q: If a uniform magnetic field pointed directly into your computer screen and an electron moved to up…

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Q: In a television set, electrons are accelerated from rest through a potential difference of 15 kV.…

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Q: a) A DC power line for a light-rail system carries 950 A at an angle of 29.9" to the Earth's 4.96…

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Q: A proton moves in a circular path of 20 cm in a magnetic field of 5000 G. How fast is it?

A: Step 1: Step 2: Step 3: Step 4:Step 5:

Q: A jet develops a 0.25 volt potential difference between the tips of its wings when flying above a…

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Q: A proton’s path can be deflected by the presence of a magnetic field.  Will the proton speed up,…

A: When a proton moves in magnetic field then magnetic force will be act on the proton. The expression…

Q: A certain simple earthquake detector consists of a little box firmly anchored to Earth. Suspended…

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Q: . Two protons move parallel to the x-axis in opposite directions at the same speed v (small compared…

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Q: 14. An electron moving at a speed of 4.8 x 105 m/s enters a 0.60 T magnetic field from the left as…

A: Given, The speed of the  electron, v=4.8×105 m/s The magnetic field, B=0.60 T The charge on the…

Q: An electron is accelerated from rest by a uniform field of magnitude 500000 N/C. a) How long does it…

A: Solution:-Given thatAccelerated from rest, initial speed (u)=0Magnitude of electric field (E)=500000…

Q: Can the magnetic torque on an object be non-zero even when the net magnetic force is zero? Explain

A: We have to tell can the magnetic torque on an object be non-zero even when the net magnetic force is…

Q: Find by explicit integration the magnitude and direction of the force on the square loop shown in…

A: To determine the net force on square loop.

Q: Can two magnetic field lines cross? If so, give an example. If not, explain why not.

A: Two magnetic field lines cannot intersect each other. The magnetic field is unique at any point.

Q: The magnetic force on a moving charge is a centripetal force. What does it mean in terms of the…

A: The magnetic force on a moving charge is a centripetal force. What does it mean in terms of the…

Q: A 10 m long high-tension power line carries a current of 20 A perpendicular to the earth’s magnetic…

A: Length of power line L=10 m Current in power line I= 20 A Magnetic field B= 5.5 T Angle between…