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klemol [59]
3 years ago
15

A 15,000-watt radio station transmits at 1700 kHz.

Physics
2 answers:
viva [34]3 years ago
6 0

the answer is a

i had this on a quiz

notsponge [240]3 years ago
3 0
E_{\gamma}=hf= (6.62\times10^-^3^4 Js)(1700\times10^3Hz)=1.12\times10^-^2^7J/photon
Answer A
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Two 4.3546 cm x 4.3546 cm square aluminum electrodes, spaced 0.6408 mm apart are connected to a 73.68 V battery. What is the cap
Helen [10]

Answer:

Capacitance, C = 26.1 picofarad

Explanation:

It is given that,

Side of square, x = 4.3546 cm = 0.043546 m

Distance between electrodes, d = 0.6408 mm = 0.0006408 m

Voltage, V = 73.68 V

Capacitance of parallel plates is given by :

C=\dfrac{\epsilon_oA}{d}

C=\dfrac{8.85\times 10^{-12}\times (0.043546)^2}{0.0006408}

C=2.61\times 10^{-11}\ F

or

C = 26.1 picofarad

So, the capacitance of the capacitor is 26.1 picofarad. Hence, this is the required solution.

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3 years ago
Explain why electromagnetic wave is transverse wave and not a compressional wave. ...?
tiny-mole [99]
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hope this helps
5 0
3 years ago
A sling psychrometer works because the amount of cooling that occurs in the wet bulb is directly proportional to the ----- of th
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<u>Temperature of the air</u>

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