Question

На прямолінійний провідник довжиною 0,4 м, що знаходяться в однорідному магнітному полі з індукцією 1,4 мТл, під кутом 30градусів Визначте кут міжю напрямом струму в провіднику та напрямом ліній магнітної індукції, якщо сила струму в провіднику дорівнює 4 А.

Answer 1

Ответ:

см фото

Объяснение:

Answer 2

Calculation of the Angle between the Current Direction and the Magnetic Field Direction

To determine the angle between the current direction in the conductor and the direction of the magnetic field, we can use the right-hand rule. According to the right-hand rule, if you point your right thumb in the direction of the current and your fingers in the direction of the magnetic field, the angle between your thumb and fingers will give you the angle between the current and the magnetic field.

In this case, we have a straight conductor of length 0.4 m in a uniform magnetic field with an induction of 1.4 mT (millitesla) at an angle of 30 degrees. The current in the conductor is 4 A.

Using the right-hand rule, we can determine the angle between the current direction and the magnetic field direction. By pointing the thumb of our right hand in the direction of the current (from the positive terminal to the negative terminal), and our fingers in the direction of the magnetic field, the angle between the thumb and fingers will give us the angle between the current and the magnetic field.

Let's calculate the angle using the given information:

- Length of the conductor (l): 0.4 m - Magnetic field induction (B): 1.4 mT (1.4 × 10^-3 T) - Angle between the conductor and the magnetic field (θ): 30 degrees - Current in the conductor (I): 4 A

To find the angle between the current direction and the magnetic field direction, we can use the formula:

θ = sin^(-1)((B * l) / (I * 10^(-3)))

Let's substitute the given values into the formula and calculate the angle:

θ = sin^(-1)((1.4 × 10^-3 T * 0.4 m) / (4 A * 10^(-3)))

Calculating this expression gives us:

θ ≈ 0.223 radians ≈ 12.8 degrees

Therefore, the angle between the current direction in the conductor and the direction of the magnetic field is approximately 12.8 degrees.