Four long, parallel conductors carry equal currents of I = 8.00 A. The figure below is an end view of the conductors. The current direction is into the page at points A and B and out of the page at C and D.
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- An infinitely long filament on the x-axis carries a current of 10 mA in the k direction. FindH at P(3, 2,1) mWhen a current passes through the body, it is mainly carried by positively charged sodium ions (Na+)(Na+) with charge +e+e and negatively charged chloride ions (Cl−)(Cl−) with charge −e−e. In a given electric field, these two kinds of ions do not move at the same speed; the chloride ions move 50%% faster than the sodium ions. If a current of 180 μAμA is passed through the leg of a patient, how many chloride ions pass a cross section of the leg per second?What are the magnitude and direction of the unknown current in the fifth wire? 3 A. 6 A 2 A 4 A 1A, into the junction 3A, into the junction O 3A, out of the junction O 1A, out of the junction
- Taking R = 1.20 kΩ and ℰ = 470 V in the figure shown below, determine the magnitude and direction of the current in the horizontal wire between a and e. magnitude ?mATaking R = 1.50 kΩ and ε = 150 V in the figure shown below, determine the magnitude and direction of the current in the horizontal wire between a and e. 17.5 mA, from e to a19.9 mA, from a to e 18.0 mA, from e to a18.9 mA, from a to e18.0 mA, from a to e19.9 mA, from e to aA battery with E = 5.10 V and no internal resistance supplies current to the circuit shown in the figure below. When the double-throw switch S is open as shown in the figure, the current in the battery is 1.00 mA. Wwhen the switch is closed in position a, the current in the battery is 1.22 mA. When the switch is closed in position b, the current in the battery is 1.98 mA. R1 R2 R2 (a) Find the resistance R,. kN (b) Find the resistance R,. kn (c) Find the resistance R,.
- In the accompanying figure, the rails, connecting end pieces, and rod all have a resistance per unit length of 40/cm. The rod moves to the left at v = 3 m/s. If B = 0.65 T everywhere in the region, what is the current in the circuit (a) when a = 8 cm? (b) when a = 4.5 cm? Description of Image B Hint a. When a = 8 cm, a counterclockwise mA flows in the circuit. b. When a = = 4.5 cm, 5.48 o current of 9.75 4.0 cm X = 5.48 mA flows in the circuit. X = 9.75Resistance R (Ω) Current I (A) 10 4 20 2 30 1.33 40 1 50 0.82 60 0.67 Plot a graph of I 1/R.A caterpillar of length 6.00 cm crawls in the direction of electron drift along a 8.20-mm-diameter bare copper wire that carries a uniform current of 38.0 A. (a) What is the potential difference between the two ends of the caterpillar? (b) Is its tail positive or negative relative to its head? (c) How much time does the caterpillar take to crawl 2.30 cm if it crawls at the drift speed of the electrons in the wire? (The number of charge carriers per unit volume is 8.49 × 1028 m-3 and resistivity of copper is 1.69 × 10-8 Ω·m.)