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E and B in the Wave for GUJCET: 12 solved questions

Real GUJCET paper questions on e and b in the wave, part of electromagnetic waves. Each opens with the options, the correct answer and a step-by-step solution. Papers run from 2016 to 2023. No sign-in needed to read them.

What this topic asks

• E0 = cB0 and E/B = c — 7 questions
• Writing B from E, and E from B — 4 questions
• Direction from E cross B, and oblique propagation — 1 question

All 12 questions with solutions

• A plane electromagnetic wave of frequency 25 MHz travels in free space along the x-direction. At a particular… GUJCET 2021
• If ⃗E and ⃗B represent the electric and magnetic field vectors of an electromagnetic wave, the direction of p… GUJCET 2023
• The maximum value of E in an electromagnetic wave is equal to 27 V m⁻¹. Thus the maximum value of B is _. GSEB Board March 2016
• The maximum value of B in an electromagnetic wave is equal to 6×10⁻⁸ T. Thus the maximum value of E is . GSEB Board July 2018
• The maximum value of E in an electromagnetic wave is equal to 1.8 V m⁻¹. Thus the maximum value of B is . GSEB Board March 2019
• A plane electromagnetic wave of frequency 24 MHz travels in free space along the x-direction. At a particular… GSEB Board August 2020
• The amplitude of the magnetic field of an electromagnetic wave is 510 nT, then the amplitude of the electric… GSEB Board July 2021
• By which one of the following equations are the magnitudes of the electric and magnetic fields in an electrom… GSEB Board July 2022
• For a given electromagnetic wave the magnitude of electric field is 6.6 V m⁻¹ at a point in space. The magnit… GSEB Board March 2023
• The amplitude of the magnetic field part of a harmonic electromagnetic wave in vacuum is B₀ = 720 nT. What is… GSEB Board July 2023
• The maximum value of E in an electromagnetic wave is equal to 18 V m⁻¹. Thus the maximum value of B is . RS Academy GUJCET booklet
• A plane electromagnetic wave is travelling along the X-direction. The electric field vector at an arbitrary p… RS Academy GUJCET booklet