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- If connected to a 3 V potential difference, a certain resistor dissipates 0.5 W. How much energy would the resistor dissipate if it is connected to a 1 V potential difference? A. 0.056 W. B. 0.167 W. C. 0.5 W. D. 1.5 W. E. Cannot be determined.7. A capacitor with a capacitance of C = 27.7 μF is slowly charged by a constant current of I = 53.7 nA. How long does it take to charge the capacitor to a voltage of V = 24.4 V? This is not and will not be gradedA power supply with a DC voltage of 5.0 V discharges 500.0 J of energy through a 25 Ohm resistor. How much total electric charge must flow between the battery's terminals to discharge this much energy? a. 0.05 C b. 0.01 C c. 100 C d. 0.2 C e. 2500 C
- The value of voltage V is 30 10V 20 V O a. 10 V O b. 5 V Oc. 6 V O d. 4 VIs the level of VD relatively close to 0.7 V in each case? Compare and comment.6 6 V Si R20.2 kn In (mA 12 V (V)8. A series loop contains the following circuit elements in order: an 8 V source, 2 kohm resistor, a 3 kohm resistor, a 16 V source and a 7 kohm resistor. What is the voltage across the 2 kohm resistor? O 8 V O 6 V O 14 V O 4 V
- 1.) Mr. Aguban is checking the difference in energy between a car battery and a motorcycle battery in moving a certain amount of charge. A 12 V motorcycle battery can move 6,000 C of charge, and a 12 V car battery can move 80,000 C of charge. How much energy does each deliver?9. Two resistors, R1 = 15 Q and R2 = 30 Q are connected parallel to a potential difference of 60 V. What is the electric current flowing through the 30 Q ?1. If the capacitor is charged to a voltage of 10 V, how long does it take for half the stored charge to discharge from the capacitor? This time is called the "half-life" of the circuit. 2. What is the current at this time? 3. How much power is dissipated by the 20- resistor at this time? 20 Ω Mw 50 με
- Three identical 60.0-W, 120-V lightbulbs are connected across a 120-V power source as shown in Figure P28.72. Assuming the resistance of each lightbulb is constant (even though in reality the resistance might increase markedly with current), find (a) the total power supplied by the power source and (b) the potential difference across each lightbulb.24. An electric circuit is consisted of a 8 ohm resistor and a 4 ohm resistor connected in series with a battery of potential difference 24 V. What is the ratio of powers dissipated in the resistors of 8 ohm and 4 ohm, P8 ohm⁄P4 ohm?A. 4 B. 16C. 2 D. 825. What is the total power dissipated in the electric circuit of question 24?A. 48 W B. 36 WC. 40 W D. 32 W8. There is a potential difference of V = 20 V across a resistor with R = 50 N. What is the current through the resistor?