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Questions and Answers
In a solenoid where the magnetic moment vector is anti-parallel to the magnetic field, and the potential energy is given as $+4.8 \times 10^{-2}$ J, the system is described as:
In a solenoid where the magnetic moment vector is anti-parallel to the magnetic field, and the potential energy is given as $+4.8 \times 10^{-2}$ J, the system is described as:
- Stable
- Equilibrium
- Unstable (correct)
- Neutral
What is the torque magnitude in a solenoid where the torque tends to align the magnetic moment vector along the magnetic field, with a potential energy of 0.33 J?
What is the torque magnitude in a solenoid where the torque tends to align the magnetic moment vector along the magnetic field, with a potential energy of 0.33 J?
- $0.33$ Nm (correct)
- $0.48$ Nm
- $0.96$ Nm
- $0.66$ Nm
What happens to the force in a uniform magnetic field acting on a solenoid?
What happens to the force in a uniform magnetic field acting on a solenoid?
- It becomes zero (correct)
- It remains constant
- It decreases
- It increases
In a solenoid, if the induced current direction is such that it produces an opposing flux due to a change in shape and orientation, the system will experience:
In a solenoid, if the induced current direction is such that it produces an opposing flux due to a change in shape and orientation, the system will experience:
If a magnetic field has a strength of 0.48 G along the N-S direction, what would be its strength along the S-N direction?
If a magnetic field has a strength of 0.48 G along the N-S direction, what would be its strength along the S-N direction?
What is the amplitude of the oscillating current in the given context?
What is the amplitude of the oscillating current in the given context?
What is the amplitude of the oscillating magnetic field if r = 3 cm and R = 6 cm?
What is the amplitude of the oscillating magnetic field if r = 3 cm and R = 6 cm?
What is the wavelength band mentioned in the text for electromagnetic radiation?
What is the wavelength band mentioned in the text for electromagnetic radiation?
What is the speed in vacuum according to the text?
What is the speed in vacuum according to the text?
What wavelength corresponds to a photon energy of 1.24 MeV?
What wavelength corresponds to a photon energy of 1.24 MeV?
What is the approximate wavelength of a light wave with a frequency of $6 imes 10^{14}$ Hz?
What is the approximate wavelength of a light wave with a frequency of $6 imes 10^{14}$ Hz?
If the magnetic field strength is $2 imes 10^{-5}$ T, what is the force experienced by a charge moving at 3 m/s?
If the magnetic field strength is $2 imes 10^{-5}$ T, what is the force experienced by a charge moving at 3 m/s?
If a current of 2 A flows through a wire, what is the strength of the magnetic field it generates at a distance of 4 cm from the wire?
If a current of 2 A flows through a wire, what is the strength of the magnetic field it generates at a distance of 4 cm from the wire?
What happens to the photon energy when the wavelength of light is halved?
What happens to the photon energy when the wavelength of light is halved?
For light traveling in vacuum, what is the approximate speed in m/s?
For light traveling in vacuum, what is the approximate speed in m/s?
If a current-carrying wire generates a magnetic field of $1 imes 10^{-4}$ T at a distance of 2 cm, what would be the strength of the field at a distance of 8 cm from the wire?
If a current-carrying wire generates a magnetic field of $1 imes 10^{-4}$ T at a distance of 2 cm, what would be the strength of the field at a distance of 8 cm from the wire?
