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Reading Question 29.29 Which is true about the magnetic field lines of a solenoid? Internally, they...
Question 4 Which is not true of a magnetic field? O Magnetic field lines originate in...
Question 4 Which is not true of a magnetic field? O Magnetic field lines originate in north pole particles and end in south pole particles O Magnetic field lines form loops with no starting or ending point O Magnetic field lines will cause a force on a compass needle placed in the field The magnetic field is strongest where field lines are drawn closest together Question 5 20 What property can scientists measure if they can analyze the different frequencies...
Moving charges will produce a local magnetic field, but the reverse is also true a changing...
Moving charges will produce a local magnetic field, but the reverse is also true a changing magnetic field will similarly induce charges to move (ie. produce current). Consider a magnet moving into a coil of wire: A spinal coil of wire with many closely-spaced tums this is called a solenoid is connected to a micro-ammeter as shown in the diagram above. As the magnet moves into the coil, any induced current will be measured by the micro-ammeter. Question On the...
The magnetic field inside a toroidal solenoid is discussed in Example 28.11 of the text book. There the thickness of th...
The magnetic field inside a toroidal solenoid is discussed in Example 28.11 of the text book. There the thickness of the solenoid and variation of the magnetic field across the cross section were ignored. Let's include these effects into consideration. The solenoid in the figure has a rectangular cross section. It has N uniformly spaced turns, with air inside. The magnetic field at a point inside the toroid was derived in Example 28.11. Do not assume the field to be...
Question 3 (#859685) Equipotential Lines) Which of the following statements is NOT true about equipotential lines?...
Question 3 (#859685) Equipotential Lines) Which of the following statements is NOT true about equipotential lines? Select the correct answer O All points on an equipotential line are at the same voltage. A positively charged particle loses potential energy as it moves from one equipotential line to another equipotential line of a lower voltage. Your Answer Equipotential lines run perpendicular to the electric field lines on a 2- dimensional surface. For a charged particle on an equipotential line, there is...
Which of the following is true about magnetic dampening? Conductors experience magnetic dampening as it enters...
Which of the following is true about magnetic dampening? Conductors experience magnetic dampening as it enters or leaves a uniform magnetic field. None of the other four statements are true about magentic dampening. Conductor is slowed as it enters the field but sped up as it exits it. Magnetic dampening is independent of the speed of the conductor. Magnetic dampening is greatest when the conductor is completely in a uniform magnetic field. Acircular loop of radius 0.30 m is placed...
Question 5 (1 point) Which of the following statements are true? Select all that apply. Magnetic...
Question 5 (1 point) Which of the following statements are true? Select all that apply. Magnetic field inside an ideal solenoid is zero. When the magnetic dipole moment vector is oriented parallel to the magnetic field vector, the potential energy is minimized. In cyclotron motion in a uniform magnetic field, the period of motion depends on the magnetic field strength and the radius of the circle. In a velocity selector, both protons and electrons will pass through undeflected if they...
QUESTION# 5. Observe the magnetic field lines. Where is the magnetic field more intense around the...
QUESTION# 5. Observe the magnetic field lines. Where is the magnetic field more intense around the magnet? Voltmeter voltage + Coil Wire Magnet NS ht Field Ine:
Which of the following about the earth's magnetic properties is true? a. The north pole of...
Which of the following about the earth's magnetic properties is true? a. The north pole of the earth's fictitious magnet lies beneath the north geographic pole. b. The earth's magnetic field lines end at the south geographic pole. c. The earth's magnetic field lines originate from the north geographic pole. d. The compass needle points to the earth's north geographic pole. e. The earth's magnetic field lines point to the geographic south.
Question 10 2 points Save Answer Which of the is NOT true about the magnetic force?...
Question 10 2 points Save Answer Which of the is NOT true about the magnetic force? The magnetic force is proportional to the speed of the particle. When a charged particle moves parallel to the magnetic field vector, the magnitude of the force on the charge is zero. The magnetic force is perpendicular to the plane formed by ū and B. If the velocity vector makes an angle o with the magnetic field, the magnitude of the magnetic force is...
1 pts Question 1 Select all of the following that are true about magnets and magnetic...
1 pts Question 1 Select all of the following that are true about magnets and magnetic fields. the source of magnetic fields is net motion of charged particles the South pole of a bar magnet can be separated from the North pole to make two monopoles like magnetic poles IS and S, or N and N) repel and opposites attract IN and S) □ magnetic field lines always form closed loops magnetic fields are scalars a straight wire with current...
Question 4 Which is not true of a magnetic field? O Magnetic field lines originate in north pole particles and end in south pole particles O Magnetic field lines form loops with no starting or ending point O Magnetic field lines will cause a force on a compass needle placed in the field The magnetic field is strongest where field lines are drawn closest together Question 5 20 What property can scientists measure if they can analyze the different frequencies...
Moving charges will produce a local magnetic field, but the reverse is also true a changing magnetic field will similarly induce charges to move (ie. produce current). Consider a magnet moving into a coil of wire: A spinal coil of wire with many closely-spaced tums this is called a solenoid is connected to a micro-ammeter as shown in the diagram above. As the magnet moves into the coil, any induced current will be measured by the micro-ammeter. Question On the...
The magnetic field inside a toroidal solenoid is discussed in Example 28.11 of the text book. There the thickness of the solenoid and variation of the magnetic field across the cross section were ignored. Let's include these effects into consideration. The solenoid in the figure has a rectangular cross section. It has N uniformly spaced turns, with air inside. The magnetic field at a point inside the toroid was derived in Example 28.11. Do not assume the field to be...
Question 3 (#859685) Equipotential Lines) Which of the following statements is NOT true about equipotential lines? Select the correct answer O All points on an equipotential line are at the same voltage. A positively charged particle loses potential energy as it moves from one equipotential line to another equipotential line of a lower voltage. Your Answer Equipotential lines run perpendicular to the electric field lines on a 2- dimensional surface. For a charged particle on an equipotential line, there is...
Which of the following is true about magnetic dampening? Conductors experience magnetic dampening as it enters or leaves a uniform magnetic field. None of the other four statements are true about magentic dampening. Conductor is slowed as it enters the field but sped up as it exits it. Magnetic dampening is independent of the speed of the conductor. Magnetic dampening is greatest when the conductor is completely in a uniform magnetic field. Acircular loop of radius 0.30 m is placed...
Question 5 (1 point) Which of the following statements are true? Select all that apply. Magnetic field inside an ideal solenoid is zero. When the magnetic dipole moment vector is oriented parallel to the magnetic field vector, the potential energy is minimized. In cyclotron motion in a uniform magnetic field, the period of motion depends on the magnetic field strength and the radius of the circle. In a velocity selector, both protons and electrons will pass through undeflected if they...
QUESTION# 5. Observe the magnetic field lines. Where is the magnetic field more intense around the magnet? Voltmeter voltage + Coil Wire Magnet NS ht Field Ine:
Question 10 2 points Save Answer Which of the is NOT true about the magnetic force? The magnetic force is proportional to the speed of the particle. When a charged particle moves parallel to the magnetic field vector, the magnitude of the force on the charge is zero. The magnetic force is perpendicular to the plane formed by ū and B. If the velocity vector makes an angle o with the magnetic field, the magnitude of the magnetic force is...
1 pts Question 1 Select all of the following that are true about magnets and magnetic fields. the source of magnetic fields is net motion of charged particles the South pole of a bar magnet can be separated from the North pole to make two monopoles like magnetic poles IS and S, or N and N) repel and opposites attract IN and S) □ magnetic field lines always form closed loops magnetic fields are scalars a straight wire with current...
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