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what is the unite of ludness
in seline it is givenphon and it says the level of sound has a unit decibal so unit of loudness is phon or decibal |
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| asked by Rtstud (mdarfath) 6 years ago |
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What is the length of nichrome wire of resistance 5.6 ohms, if the length of a similar wire is 80 cm and its resistance is 4.2ohms |
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| asked by Jeff mckinley (chende) 6 years ago |
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Pls check out page 194 question 15 .is it correct |
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| asked by Kousalya Senthilkumar (laks2002) 6 years ago |
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Any good electricity numericals? |
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| asked by Momo (zenab13) 6 years ago |
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any economics students?? |
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| asked by Aryan Kapoor (aryan9917) 6 years ago |
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Why is soft iron core used in a D.C. Motor and an A.C. Generator?
Can it be because of soft iron's high magnetic permeability and low retentivity? |
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| asked by RaBh (rahulbhardwaj2002) 6 years ago |
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Explain why it appears that energy released in fusion is less than fission, but it is not so. |
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| asked by Pratham Shah (pratham2313) 6 years ago |
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The power rating of an electric bulb is 40W 220 V. Find the power when the potential difference is reduced to 200V
--- My answer is approx. 33 W, is it right? |
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| asked by Ragini Jain (adityajain1234) 6 years ago |
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What is the principal of magnifying glass? |
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| asked by Nehal G (nehalg) 6 years ago |
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Should we learn value of wavelength and frequency for red to violet(all colours). |
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| asked by Paul Stefen (japaul) 6 years ago |
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