Part 30: Maxwell " s Equations and Electromagnetic Waves Section 30-1: Maxwell's Displacement Current
Slide 2A parallel-plate capacitor has firmly divided roundabout plates of span R = 2.00 cm. Charge is streaming onto the positive plate at the rate I = dQ/dt = 1.36 A. The attractive field at a separation r = 2.00 cm from the pivot of the plates is around 136 mT 256 mT 16.5 mT 457 mT 88.3 mT
Slide 3A parallel-plate capacitor has firmly divided round plates of span R = 2.00 cm. Charge is streaming onto the positive plate at the rate I = dQ/dt = 1.36 A. The attractive field at a separation r = 2.00 cm from the pivot of the plates is around 136 mT 256 mT 16.5 mT 457 mT 88.3 mT
Slide 4Charge is streaming onto one plate of a parallel-plate capacitor and off the other plate at a rate of 5.00 A. The rate at which the electric field between the plates is changing is roughly 5.65 × 10 11 N · m 2/(C · s) 11.3 × 10 11 N · m 2/(C · s) 2.45 × 10 11 N · m 2/(C · s) 12.4 × 10 11 N · m 2/(C · s) 1.76 × 10 11 N · m 2/(C · s)
Slide 5Charge is streaming onto one plate of a parallel-plate capacitor and off the other plate at a rate of 5.00 A. The rate at which the electric field between the plates is changing is roughly 5.65 × 10 11 N · m 2/(C · s) 11.3 × 10 11 N · m 2/(C · s) 2.45 × 10 11 N · m 2/(C · s) 12.4 × 10 11 N · m 2/(C · s) 1.76 × 10 11 N · m 2/(C · s)
Slide 6An air conditioner voltage is connected over a capacitor. Which figure best speaks to the attractive field between the capacitor?
Slide 7An air conditioner voltage is connected over a capacitor. Which figure best speaks to the attractive field between the capacitor?
Slide 8An air conditioner voltage, V = 20 V sin (1000 rad/s t) is connected over a capacitor of capacitance C = 40 F. The capacitor is made of two round plate each of range r = 5 cm. What is the pinnacle attractive field at the perimeter of the capacitor? 1.2 T 1.6.2 T 3.2 T 72 T None of these is right.
Slide 9An air conditioner voltage, V = 20 V sin (1000 rad/s t) is connected over a capacitor of capacitance C = 40 F. The capacitor is made of two roundabout plate each of sweep r = 5 cm. What is the pinnacle attractive field at the outline of the capacitor? 1.2 T 1.6.2 T 3.2 T 72 T None of these is right.
Slide 10Chapter 30: Maxwell " s Equations and Electromagnetic Waves Section 30-2: Maxwell's Equations
Slide 11Which of the accompanying proclamations negates one of Maxwell's conditions? A changing attractive field delivers an electric field. The net attractive flux through a shut surface relies on upon the current inside. A changing electric field delivers an attractive field. The net electric flux through a shut surface relies on upon the charge inside. None of these announcements repudiate any of Maxwell's conditions.
Slide 12Which of the accompanying proclamations repudiates one of Maxwell's conditions? A changing attractive field delivers an electric field. The net attractive flux through a shut surface relies on upon the current inside. A changing electric field creates an attractive field. The net electric flux through a shut surface relies on upon the charge inside. None of these announcements repudiate any of Maxwell's conditions.
Slide 13If the presence of attractive monopoles ought to ever be affirmed, which of the accompanying conditions would need to be modified?
Slide 14If the presence of attractive monopoles ought to ever be affirmed, which of the accompanying conditions would need to be adjusted?
Slide 15Maxwell's conditions suggest that the electric field because of a point charge changes contrarily as the square of the separation from the charge. depict how electric field lines separate from a positive charge and join on a negative charge. state that the flux of the attractive field vector is zero through any shut surface. portray the test perception that attractive field lines don't wander from any direct space or meet toward any point. These are right.
Slide 16Maxwell's conditions infer that the electric field because of a point charge differs conversely as the square of the separation from the charge. portray how electric field lines wander from a positive charge and merge on a negative charge. state that the flux of the attractive field vector is zero through any shut surface. portray the exploratory perception that attractive field lines don't separate from any direct space or focalize toward any point. These are right.
Slide 17Which of the accompanying proclamations is false ? Detached electric charges exist. Electric field lines separate from positive charges and merge on negative charges. The flux of the attractive field vector is zero through any shut surface. Secluded attractive shafts exist. Changing electric fields incite changing attractive fields.
Slide 18Which of the accompanying proclamations is false ? Separated electric charges exist. Electric field lines wander from positive charges and focalize on negative charges. The flux of the attractive field vector is zero through any shut surface. Segregated attractive shafts exist. Changing electric fields actuate changing attractive fields.
Slide 19Which of the accompanying proclamations is valid? A changing electric field instigates an attractive field. A changing attractive field incites an electric field. Maxwell's conditions anticipate the speed of light. Maxwell's conditions foresee that light is comprised of wavering electric and attractive waves. All the above proclamations are valid.
Slide 20Which of the accompanying proclamations is valid? A changing electric field incites an attractive field. A changing attractive field incites an electric field. Maxwell's conditions foresee the speed of light. Maxwell's conditions anticipate that light is comprised of swaying electric and attractive waves. All the above explanations are valid.
Slide 21Chapter 30: Maxwell " s Equations and Electromagnetic Waves Section 30-3: The Wave Equation for Electromagnetic Waves
Slide 22Which of the accompanying explanations is valid? Both the B and the E parts of an electromagnetic wave fulfill the wave condition. The period of a wave going in the negative z course is kz + w t . The speed of an electromagnetic wave going in a vacuum is given by ( 0 m 0 ) –1/2 . The size of E in an electromagnetic wave is more prominent than the B size of by an element of c . These announcements are valid.
Slide 23Which of the accompanying articulations is valid? Both the B and the E segments of an electromagnetic wave fulfill the wave condition. The period of a wave going in the negative z course is kz + w t . The speed of an electromagnetic wave going in a vacuum is given by ( 0 m 0 ) –1/2 . The greatness of E in an electromagnetic wave is more noteworthy than the B size of by a component of c . These announcements are valid.
Slide 24Which of the accompanying capacities fulfill the one-dimensional wave condition? y ( x, t ) = y 0 cos( kx – w t ) y ( x, t ) = y 0 sin( kx – w t ) y ( x, t ) = y 0 sin( kx – w t ) + B cos( kx – w t ) y ( x, t ) = y 0 (sin kx ) · B (cos w t ) All of these capacities fulfill the one-dimensional wave condition.
Slide 25Which of the accompanying capacities fulfill the one-dimensional wave condition? y ( x, t ) = y 0 cos( kx – w t ) y ( x, t ) = y 0 sin( kx – w t ) y ( x, t ) = y 0 sin( kx – w t ) + B cos( kx – w t ) y ( x, t ) = y 0 (sin kx ) · B (cos w t ) All of these capacities fulfill the one-dimensional wave condition.
Slide 26Which of the accompanying articulations is valid? Maxwell's conditions apply just to fields that are consistent in time. Electromagnetic waves are longitudinal waves. The electric and attractive fields are out of stage in an electromagnetic wave. The greatness of E in an electromagnetic wave is more noteworthy than the B size of by an element of c . The majority of the above explanations are valid.
Slide 27Which of the accompanying articulations is valid? Maxwell's conditions apply just to fields that are consistent in time. Electromagnetic waves are longitudinal waves. The electric and attractive fields are out of stage in an electromagnetic wave. The greatness of E in an electromagnetic wave is more noteworthy than the B extent of by a variable of c . The majority of the above explanations are valid.
Slide 30Chapter 30: Maxwell " s Equations and Electromagnetic Waves Section 30-4: Electromagnetic Radiation
Slide 31The noticeable bit of the electromagnetic range is nearest to which of the accompanying interims? 200 to 500 nm 300 to 600 nm 400 to 700 nm 500 to 800 nm 600 to 900 nm
Slide 32The obvious bit of the electromagnetic range is nearest to which of the accompanying interims? 200 to 500 nm 300 to 600 nm 400 to 700 nm 500 to 800 nm 600 to 900 nm
Slide 33Electromagnetic waves that have a wavelength of 300 m in free space have a recurrence of 1 × 10 –3 Hz 5 × 10 5 Hz 1 × 10 6 Hz 9 × 10 6 Hz 1 × 10 11 Hz
Slide 34Electromagnetic waves that have a wavelength of 300 m in free space have a recurrence of 1 × 10 –3 Hz 5 × 10 5 Hz 1 × 10 6 Hz 9 × 10 6 Hz 1 × 10 11 Hz
Slide 35What is the recurrence of 555-nm light? 16.7 kHz 5.40 × 10 14 Hz 5.40 × 10 15 Hz 1.70 × 10 7 Hz 5.40 × 10 17 Hz
Slide 36What is the recurrence of 555-nm light? 16.7 kHz 5.40 × 10 14 Hz 5.40 × 10 15 Hz 1.70 × 10 7 Hz 5.40 × 10 17 Hz
Slide 37The wavelength of a 150-MHz TV flag is roughly 1.0 m 1.5 m 2.0 m 2.0 cm 50 cm
Slide 38The wavelength of a 150-MHz TV flag is inexact
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