Question and Answers Forum
Electric Current and CircuitsQuestion and Answers: Page 1
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Question and Answers Forum |
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Electric Current and CircuitsQuestion and Answers: Page 1 |
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| How to find relative charge of an proton or electron? |
| what does relative charge mean? |
| why we use the current as conventional in a circuit? |
| why can′t birds catch by the AC current? |
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| Two Spheres are charged by +3μC and −3μC respectively.The charges are equally distributed in the serface of the sphere .The distance between two spheres is 100cm . Now if we Connect these two spheres with a conducting wire , a)What will be the potential difference between two ends of that wire? b)Find the amount of current flow in the wire if the resistance of that wire is 100μΩ . |
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| Given i(t)=25cos(ωt) ; u(t)=50[1+(ωt)^(2/(2!)) +(ωt)^(4/(4!)) +(ωt)^(6/(6!)) +...] . (1/T)∫_0 ^T u(t)×i(t)dt=??? choose the correct answer: a. 225 b. 425 c. 625 d. an other one |
| A toroid core has N=1200 turns, length L=80cm,cross-section area A=60cm^2 ,current I=1.5A. Compute B and H.Assume an empty core |
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| In an RLC series circuit, R=1kilo ohms,L=0.2H,C=1 F. If the voltage source is given by: (V=150 sin 377t )V. What is the peak current delivered by the source? |
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