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Electric Generator

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The electric field associated with an electromagnetic wave in vacuum is given by E=i40 co(kz-6 x 10^8t), where E, z and t are in volt/m, metre and second respectively. The value of wave vector k is?

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Q. The electric field associated with an e.m wave in vacuum is given by

\to E =^i 40 cos (k z - 6 \times 10^{8} t)

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where E,z and t are in volt/m,meter ans seconds respectively.The value of wave vector k is:

Q. Choose the correct answer from the alternatives given.
The electric field associated with an electromagnetic wave in vacuum is given by

- E = 40 c o s (k z - 6 \times 10^{8} t) \land i

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\to E = 40 cos (k z - 6 \times 10^{8} t)^i

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