5) A 4-band resistor has the following colors; Green, Blue, Violet, Red. What is the resistance of this resistor?
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- Given a V= 24.0 V battery and R1 = 6.0 Q and R2 = 24.0 Q resistors. You can consider these %3D resistors to be bulbs. Include All Formulas Used Across All Parts. Part A: Draw the circuit diagrams for each of the parts and label both the currents and voltages across each resistor. Part B: If the resistors are connected in series: (i) Calculate the equivalent resistance of the circuit. (ii) Calculate the power dissipated in each resistor. Part C: If the resistors are connected in parallel: (iii) Calculate the equivalent resistance of the circuit. (iv) Calculate the power dissipated in each resistor. Part D: From the four values of powers calculated above, in which connection and resistor combination is the most power dissipated? In other words, in which case will the bulb shine the brightest?5. This problem is about charging a weak battery & = 10.8 V with a good battery &, = 12.0 V. Let the internal battery resistances be r₁ = r₂ = 0.022, and resistance of the charging cable be R = 0.02 02. Also, let the current I leave the good battery. (a) In the picture below, the battery is hooked up correctly, with the positive terminals connected to each other. Apply the loop rule to this circuit and find the current charging the battery. WH $5 R No (b) In the picture below, the battery is hooked up incorrectly. Find the current charging the battery. www RIn the circuit below, the resistances are Rị = 6 N, R2 = 6 2, R3 = 2 N, R4 = 4 2, R; = 4 N, R6 = 7 N, and R, = 8 2. a) Find the equivalent resistance between points a and b. b) If the potential drop between a and b is 18 V, find the current in each resistor. R1 R2 R3 R4 R5 R6 R7
- If gold (PAu = 2.44 x 10-8 N. m) and silver (PAg = 1.59 × 10-8 n. m) wires of equal length are found to have the same resistance. 4 a) Find the ratio of their radii (rAL/r Cu)? b) Which element (Au or silver) is better for conducting electrical current? Explain. LEGO)The current through the 50.0 resistor in the circuit below is 0.14 A. Determine the & of the battery. R = 10.0 2 %3D R3 = 50.0 2 %3D R = 33.0 2 I = 0.14 A- R 68.02 %3D %3D %3D r = 0. 80 2Resistor 1 has a resistance twice that of resistor 2. The two resistors are wired in parallel to a battery. The ratio of dissipated power by resistor 1 and the power dissipated by resistor 2 is. a) 1/4 b) 2 c) 1/2 d) 10