Use the diagram for the next three problems. Electrons traveling at a speed of vS1U1B10S1U1B0 = 3 * 10S1U1P17S1S1P0 m/s pass through the deflection plates. The electric field between the plates is E = 5000 V/m and spans a distance of xS1U1B11S1U1B0 = 5 cm. The electrons then travel a further distance of xS1U1B12S1U1B0 = 40 cm along the x-axis. -What should the strength of the magnetic field be for the electrons to land at a?

A) 1.67 G B) 3.33 G C) 6000 G D) 3000 G E) 12000 G A) 1.67 G B) 3.33 G C) 6000 G D) 3000 G E) 12000 G

Exam 6: The Magnetic Field

An alpha particle with a charge 2e and mass 4m is moving with velocity v when it enters a magnetic field B at right angles to its direction of motion. A deuteron of charge e and mass 2m also enters the field in the same direction and the same speed. Calculate the difference in radius of motion between the alpha particle and the deuteron in the magnetic field region.

(Multiple Choice)

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Question 61

An electron is traveling horizontally east in the magnetic field of Earth near the equator. The direction of the force on the electron is

(Multiple Choice)

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Question 62

The SI unit of magnetic field is the tesla (T). This is equivalent to

(Multiple Choice)

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Question 63

A circular, 20-turn coil of radius 5.0 cm is oriented in such a way that its axis makes a 30º angle with a uniform magnetic field of 0.15 T. What is the torque on the coil when it carries a current of 2.5 A?

(Multiple Choice)

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Question 64

Which of the following statements is false?

(Multiple Choice)

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Question 65

Use the diagram for the next three problems. Electrons traveling at a speed of v₀ = 3 * 10⁷ m/s pass through the deflection plates. The electric field between the plates is E = 5000 V/m and spans a distance of x₁ = 5 cm. The electrons then travel a further distance of x₂ = 40 cm along the x-axis. -What should the strength of the magnetic field be for the electrons to land at a?

(Multiple Choice)

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Question 66

In a mass spectrometer ions of Ni with mass 9.62 * 10^-26 kg and charge +2e are accelerated through a potential difference of X volts and then deflected in a magnetic field of 0.15 T. If the radius of curvature of the ions is 0.55 m, then calculate the value of the potential difference X.

(Multiple Choice)

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Question 67

Use the following figure for the next problem. $Use the following figure for the next problem. -A metal strip 1.5 cm wide and 0.20 cm thick carries a current in a uniform magnetic field of 1.5 T. The Hall emf is 5.3 \mu V. The drift velocity of the electrons in the strip is approximately$ -A metal strip 1.5 cm wide and 0.20 cm thick carries a current in a uniform magnetic field of 1.5 T. The Hall emf is 5.3 $\mu$ V. The drift velocity of the electrons in the strip is approximately

(Multiple Choice)

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Question 68

When a compass needle is in stable equilibrium in a magnetic field ,

(Multiple Choice)

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Question 69

The phenomenon of magnetism is best understood in terms of

(Multiple Choice)

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Question 70

A deuteron is moving with a speed of 2.0 10⁶ m/s at right angles to a magnetic field. The field is uniform, with magnitude B = 0.40 T. The mass and charge of a deuteron are 3.3 10^-27 kg and 1.6 * 10^-19 C, respectively. The radius of the deuteron orbit is approximately

(Multiple Choice)

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Question 71

Showing 61 - 71 of 71

An electron is traveling horizontally east in the magnetic field of Earth near the equator. The direction of the force on the electron is

The SI unit of magnetic field is the tesla (T). This is equivalent to

A circular, 20-turn coil of radius 5.0 cm is oriented in such a way that its axis makes a 30º angle with a uniform magnetic field of 0.15 T. What is the torque on the coil when it carries a current of 2.5 A?

Which of the following statements is false?

In a mass spectrometer ions of Ni with mass 9.62 * 10^-26 kg and charge +2e are accelerated through a potential difference of X volts and then deflected in a magnetic field of 0.15 T. If the radius of curvature of the ions is 0.55 m, then calculate the value of the potential difference X.

When a compass needle is in stable equilibrium in a magnetic field ,

The phenomenon of magnetism is best understood in terms of

A deuteron is moving with a speed of 2.0 10⁶ m/s at right angles to a magnetic field. The field is uniform, with magnitude B = 0.40 T. The mass and charge of a deuteron are 3.3 10^-27 kg and 1.6 * 10^-19 C, respectively. The radius of the deuteron orbit is approximately

The Electric Field I: Discrete Charge Distributions

The Electric Field II: Continuous Charge Distributions

Electric Potential

Capacitance

Electric Current and Direct-Current Circuits

Sources of the Magnetic Field

Magnetic Induction

Alternating-Current Circuits

Maxwells Equations and Electromagnetic Waves

Properties of Light

Optical Images

Interference and Diffraction

Wave Particle Duality and Quantum Physics

Applications of the Schrodinger Equation

Atoms

Molecules

Solids and the Theory of Conduction

Relativity

Nuclear Physics

Elementary Particles and the Beginning of the Universe

Filters

Exam 6: The Magnetic Field

An electron is traveling horizontally east in the magnetic field of Earth near the equator. The direction of the force on the electron is

The SI unit of magnetic field is the tesla (T). This is equivalent to

A circular, 20-turn coil of radius 5.0 cm is oriented in such a way that its axis makes a 30º angle with a uniform magnetic field of 0.15 T. What is the torque on the coil when it carries a current of 2.5 A?

Which of the following statements is false?

In a mass spectrometer ions of Ni with mass 9.62 * 10-26 kg and charge +2e are accelerated through a potential difference of X volts and then deflected in a magnetic field of 0.15 T. If the radius of curvature of the ions is 0.55 m, then calculate the value of the potential difference X.

Use the following figure for the next problem. -A metal strip 1.5 cm wide and 0.20 cm thick carries a current in a uniform magnetic field of 1.5 T. The Hall emf is 5.3 μ\muμ V. The drift velocity of the electrons in the strip is approximately

When a compass needle is in stable equilibrium in a magnetic field ,

The phenomenon of magnetism is best understood in terms of

A deuteron is moving with a speed of 2.0 *106 m/s at right angles to a magnetic field. The field is uniform, with magnitude B = 0.40 T. The mass and charge of a deuteron are 3.3 * 10-27 kg and 1.6 * 10-19 C, respectively. The radius of the deuteron orbit is approximately

The Electric Field I: Discrete Charge Distributions

The Electric Field II: Continuous Charge Distributions

Electric Potential

Capacitance

Electric Current and Direct-Current Circuits

Sources of the Magnetic Field

Magnetic Induction

Alternating-Current Circuits

Maxwells Equations and Electromagnetic Waves

Properties of Light

Optical Images

Interference and Diffraction

Wave Particle Duality and Quantum Physics

Applications of the Schrodinger Equation

Atoms

Molecules

Solids and the Theory of Conduction

Relativity

Nuclear Physics

Elementary Particles and the Beginning of the Universe

Filters

In a mass spectrometer ions of Ni with mass 9.62 * 10^-26 kg and charge +2e are accelerated through a potential difference of X volts and then deflected in a magnetic field of 0.15 T. If the radius of curvature of the ions is 0.55 m, then calculate the value of the potential difference X.

A deuteron is moving with a speed of 2.0 10⁶ m/s at right angles to a magnetic field. The field is uniform, with magnitude B = 0.40 T. The mass and charge of a deuteron are 3.3 10^-27 kg and 1.6 * 10^-19 C, respectively. The radius of the deuteron orbit is approximately