Choose the correct answer from the alternatives given. A plane electromagnetic wave of frequency 25MHz travels in free space along X-direction. At a particular point in space and time, electric field →E=6.3^jV/m. What is B at this point.
A
1.2×10−6T
No worries! We‘ve got your back. Try BYJU‘S free classes today!
B
1.2×10−8T
No worries! We‘ve got your back. Try BYJU‘S free classes today!
C
2.1×10−6T
No worries! We‘ve got your back. Try BYJU‘S free classes today!
D
2.1×10−8T
Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses
Open in App
Solution
The correct option is D2.1×10−8T Given: The frequency of the electromagnetic wave is 25MHz.
The electric field at the particular point is 6.3^jV/m
To find: The magnetic field at that point.
The magnetic field of the electromagnetic wave at a point is given by: