Q1). A particle, of mass 2.48×10-25 kg, has the same charge as an electron, but positive,...

Q1). A particle, of mass 2.48×10^-25 kg, has the same charge as an electron, but positive, moves in a circle of radius 5.82m at constant speed, due to the action a magnetic field of 0.00316 Tesla, directed perpendicular to the plane of the circle. What is the speed of the particle in m/s?

Q2). A 19.2m wire is at an angle of 11.4 degrees to magnetic field of 0.00376 T. The force on it is 2.2N. Find the current carried by the wire (in Amperes).

Q3). A current of 41.9 Amps in a wire loop results in a maximum torque of 60.6N⋅m. The loop encloses an area of 21.5 m² . Compute the magnetic field the wire loop is affected by in Tesla. Assume magnetic field is uniform.

Q4). A loop of wire has a resistance 431 Ohms and an area of 4.93 m² . The wire loop is located in a magnetic field which is perpendicular to the plane of the loop. The magnetic field has the following time dependence: B=B₀ exp(-b*t) where t is time. b =0.595Hz.The current is 0.00708 Amps at time 0.885s. Find B₀ in units of Tesla. (Note that both B and B₀ are magnitudes i.e. positive.)

Q5). A 4.84m rod moves at 7.84 m/s in a plane perpendicular to a uniform magnetic field. The length of the rod is oriented perpendicular to the velocity vector and the magnetic field. The potential difference between the ends of the rod is 15 Volts. What is the magnetic field magnitude (in Tesla).

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genius_generous answered 1 year ago

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