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onegirl

  • 3 years ago

A transformer has 175 turnings on the primary coil and 3000 turnings on the secondary coil. If the output voltage is 4000 V, what is the input voltage?

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  1. onegirl
    • 3 years ago
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    @ParthKohli can you help please?

  2. surdeep
    • 3 years ago
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    |dw:1358182746312:dw|

  3. onegirl
    • 3 years ago
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    ok how about this one ? What is the energy of an X-ray photon of wavelength 2.2 x 10^18 Hz?

  4. surdeep
    • 3 years ago
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    i hope ur wrong with ur question, is it freq or wavelength????

  5. surdeep
    • 3 years ago
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    |dw:1358184266533:dw|

  6. surdeep
    • 3 years ago
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    sry i forgot the unit, its joule's or m^2kgHzs^-1

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