Entries by Hannah Wangui

energy

Question The resistance of an electric heater is 35 Ω  when connected to 120 V. How much energy does it use during 35 min  of operation?   Looking for a Similar Assignment? Order now and Get 10% Discount! Use Coupon Code “Newclient”

 

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how many turns must there be in the output coil?

uestion The generator at a power plant produces AC at 25,000 V. A transformer steps this up to 375,000 V for transmission over power lines. If there are 2,100 turns of wire in the input coil of the transformer, how many turns must there be in the output coil?   Looking for a Similar Assignment? Order now and Get 10% Discount! Use Coupon […]

 

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Compute the frequency

Question Compute the frequency (in MHz) of an EM wave with a wavelength of 8.5 in. (0.2159 m).   Looking for a Similar Assignment? Order now and Get 10% Discount! Use Coupon Code “Newclient”

 

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The angles used in Snell’s law are always

Question The angles used in Snell’s law are always A Right angles B measured between the ray of light and the normal line C obtuse angles D measured between the ray of light and the tangent line The higher the index of refraction the A More expensive the material B Less we know about the […]

 

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