The magnetic field B(x,t)of an electromagnetic wave is given by B(x,t) = [(9.15 x 10 "T)j i) What is the wave number of the wave? ii) What is the frequency of the wave? ii) Write the vector equation for electric field.
The magnetic field B(x,t)of an electromagnetic wave is given by B(x,t) = [(9.15 x 10 "T)j i) What is the wave number of the wave? ii) What is the frequency of the wave? ii) Write the vector equation for electric field.
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![The magnetic field B(x, t)of an electromagnetic wave is given by B(x, t) = [(9.15 × 10 9T)jsin(3.25 × 10ʻrad/m)æ + wt].
(i) What is the wave number of the wave?
(i) What is the frequency of the wave?
(ii) Write the vector equation for electric field.
O a. (i) k = 3.25 × 10ʻrad/m (ii)f = 1.55 x 10"Hz (iii) E = - (2.75V/m)sin((3.25 × 10ʻrad\m)æ + (9.74 x 102)t)}
O b. (1) k = 3.25 x 10ʻrad/m (ii)f = 1.55 x 10"Hz (iii) Ē
= +(2.75V/m)sin((3.25 x 10ʻrad\m)æ + (9.74 × 1012 )t)k
O . (i) k = 3.25 × 10ʻrad/m (ii)f = 1.55 x 101²HZ (iii) Ē = +(2.75V/m)sin((3.25 × 10ʻrad\m)æ + (9.74 × 1012 )t)k
O d. (i) k = 3.25 × 10°rad/m (ii)f = 1.55 × 101²HZ (iii) E = +(2.75V/m)sin((3.25 x 10°rad\m)x + (9.74 × 1012)t)k
O e. (i) k = 3.25 × 10°rad/m (ii)f = 1.55 × 101²Hz (iii) Ē = -(2.75V/m)sin((3.25 x 10°rad\m)x + (9.74 × 1012)t)j
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Transcribed Image Text:The magnetic field B(x, t)of an electromagnetic wave is given by B(x, t) = [(9.15 × 10 9T)jsin(3.25 × 10ʻrad/m)æ + wt].
(i) What is the wave number of the wave?
(i) What is the frequency of the wave?
(ii) Write the vector equation for electric field.
O a. (i) k = 3.25 × 10ʻrad/m (ii)f = 1.55 x 10"Hz (iii) E = - (2.75V/m)sin((3.25 × 10ʻrad\m)æ + (9.74 x 102)t)}
O b. (1) k = 3.25 x 10ʻrad/m (ii)f = 1.55 x 10"Hz (iii) Ē
= +(2.75V/m)sin((3.25 x 10ʻrad\m)æ + (9.74 × 1012 )t)k
O . (i) k = 3.25 × 10ʻrad/m (ii)f = 1.55 x 101²HZ (iii) Ē = +(2.75V/m)sin((3.25 × 10ʻrad\m)æ + (9.74 × 1012 )t)k
O d. (i) k = 3.25 × 10°rad/m (ii)f = 1.55 × 101²HZ (iii) E = +(2.75V/m)sin((3.25 x 10°rad\m)x + (9.74 × 1012)t)k
O e. (i) k = 3.25 × 10°rad/m (ii)f = 1.55 × 101²Hz (iii) Ē = -(2.75V/m)sin((3.25 x 10°rad\m)x + (9.74 × 1012)t)j
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