A conducting rod of length 40.0 cm is free to slide on two parallel conducting bars. A resistor R-5.00 2 is connected to the end of the bar. The conducting bar and the rod have negligible resistance. A constant magnetic field B=2.50 T is directed perpendicularly into the page. The rod is thrown with an initial velocity of v-10.0 m/s, and the mass of the rod is 0.100 kg. What is the initial acceleration of the rod in m/s2?. 40,0 cm uzunluğunda iletken bir çubuk iletken raylar üzerinde serbestçe kayabilmektedir. Rayların ucuna R-5,00 2 direnci bağlanmıştır ve çubuk ile rayların dirençleri ihmal edilebilecek kadar küçüktür. Sayfa düzleminden bize doğru B=2,50 T düzgün manyetik alanı uygulanmıştır. Çubuk v=10,0 m/s ilk hızıyla fırlatılmıştır ve çubuğun kütlesi 0,100 kg'dır. Çubuğun ilk ivmesi m/s? cinsinden nedir? B
Ampere Circuital Law
Ampere's Law states that "for any closed loop path, the sum of the length elements times the magnetic field in the direction of the length element is equal to the permeability times the electric current enclosed in the loop.”
Current Density
To design the electrical and electronic system, the current density is an important factor. The designer current level is the factor on which the circuit performance depends and with the help of the dimensions of the conducting current the current density is then determined. For instance, despite the lower current demanded by smaller devices as integrated circuits are reduced in size, there is a type of trend in achieving the higher device number in even smaller chip areas. The current density is increased in this region at higher frequencies because the conducting region in a wire becomes confined and this is known as the skin effect. The consequences increase as the current densities become higher.
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