Prokofiev VL - solution of the entire version 10 on the
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- Task 2.10
- Two identical charges are in the air at a distance of 0.1 m from each other. The field strength in
- A point removed at a distance of 0.06 m from one and 0.08 m from another charge is equal to 10 kV / m. Identify
- The field potential at this point and the value of the charges.
- PROBLEM 2.20
- The charge of 1 nC is at a distance of 0.2 m from an infinitely long uniformly charged filament. Under
- The charge of the filament field moves by 0.1 m. Determine the linear density of the filament charge, if
- The work of the forces is spinning equal to 0.1 μJ.
- Task 2.30
- Under the action of an attractive force of 1 mN, the dielectric between the capacitor plates is under
- Pressure of 1 Pa. Determine the energy and bulk density of the energy of the capacitor field, if the distance
- Between its 1 mm.
- Task 2.40
- Two identical current sources are connected in one case in series, in the other - in parallel and
- Are closed by an external resistance of 1 ohm. At what internal resistance of the source, the current in
- The external chain will be the same in both cases?
- Task 2.50
- A square frame with a side of 0.2 m flows current, which creates a magnetic field in the center of the frame
- With a tension of 4.5 A / m. Determine the current in the frame.
- Task 2.60
- A homogeneous magnetic field with a strength of 900 A / m acts on the conductor placed in it
- Length of 25 cm with a force of 1 mN. Determine the current in the conductor if the angle between the directions of the current and
- The induction of the magnetic field is 45 °.
- Task 2.70
- By the condition of problem 69, we determine the charge that passed through the solenoid after it was turned off.
- Task 2.80
- The coil of the solenoid has a resistance of 10 Ohm. What is its inductance, if the current passes through
- 0.05 s in it is allocated the amount of heat equivalent to the energy of the magnetic field of the solenoid?