A plane electromagnetic wave travels in free space along x-axis. At a particular point in space, the electric field along y-axis is $9.3 V / m$ . The magnetic induction (B) along z-axis is

3.1 \times 10^{- 8} T

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3 \times 10^{- 5} T

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3 \times 10^{- 6} T

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9.3 \times 10^{- 6} T

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Solution

The correct option is A $3.1 \times 10^{- 8} T$
Velocity of light, $C = \frac{E}{B} ⟹ B = \frac{E}{C} = \frac{9.3}{3 \times 10^{8}} = 3.1 \times 10^{- 8} T$

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A plane electromagnetic wave travels in free space along x-axis. At a particular point in space, the electric field along y-axis is 9.3V/m. The magnetic induction (B) along z-axis is

The correct option is A 3.1×10−8TVelocity of light, C=EB⟹B=EC=9.33×108=3.1×10−8T

A plane electromagnetic wave travels in free space along x-axis. At a particular point in space, the electric field along y-axis is $9.3 V / m$ . The magnetic induction (B) along z-axis is

The correct option is A $3.1 \times 10^{- 8} T$
Velocity of light, $C = \frac{E}{B} ⟹ B = \frac{E}{C} = \frac{9.3}{3 \times 10^{8}} = 3.1 \times 10^{- 8} T$