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The length of a dipole antenna for the c...

The length of a dipole antenna for the carrier wave of frequency `3 xx 10^8` Hz will be—

A

5m

B

50m

C

0.5m

D

500m

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UNITED BOOK HOUSE-MODEL PAPER SET-03-EXERCISE
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  2. Which of the following is not a semiconductor?

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  5. State Lenz’s law.

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  9. Write the Wheatstone bridge principle.

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  10. Mention two differences Between magnetic lines of force and electric l...

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  11. A charged particle is found to move in a straight line through some r...

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  12. Mention two characteristics of electromagnetic waves.

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  13. The radioactive decay constant is 4.28 xx 10^-4 year^-1. What is the h...

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  14. Explain why sky waves ate suitable for long range communication.

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  15. What is surface charge density?

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  17. The surface charge density of an infinite charged sheet is 10^-7 Cm^-2...

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  18. Show that the distribution of charge between two conductors connecting...

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  19. The current through the wire is 10 A as shown in figure below. Find ma...

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