Use this circuit diagram to answer the questions below. 75 Ω 12.0V HH 54 Ω 33 02 www 1502 990 (a) What is the equivalent resistance of this circuit? (b) What is the current through the 540 resistor?
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- If three resistors connected in series to a battery. Suppose R1 carries a current of 4.5A, R2 has a resistance of 22.50, and R3 dissipates 95W of power. What is the voltage across R3 and Resistance of R3 ? 1. Voltage (in V) across R3 %3D and 2. Resistance (in 2) of R3 =If three resistors connected in series to a battery. Suppose R1 carries a current of 22.5A, R2 has a resistance of 150, and R3 dissipates 60W of power. What is the voltage across R3 and Resistance of R3 ? 1. Voltage across R3 %3D and 2. Resistance of R3 =How long willit take a charged 80 uF capactor to lose 37%% of its initial energy when it is allowed to discharge through a 45 O resistor? a. 3.58 ms O b. 1.66 ms Oc 1.79 ms O d. 0.51 ms Oe. 0.83 ms Next page Dage Introduction to Phys102> Jump to
- A. Determine the equivalent resistance fir the circuit.keep vaules in ohms B. Determine hiw much current the battery produces. keep vaules in amps C. Determine the voltage across R12 and R3; call these values V12 and V3, keep the vaules in volts. then usr ohms law: V=i r, to fkmd the current across R12 and R3; call tjese 12 and 13, keep these vaules in amps. D. use ohms law to caculare the voltages across R1 and R2; call these vaules V1 and V2, keep results in volts. Requivatont,scris= Sihi=R1 tket . kequivaknt, papli=Zi Ri =RI K You circuit are given the following below. combination Z Rz R3 where V is a 12 V battery; R1 is 330ohms R2 is 180 ohms R3 is 270 ohms please write all work legaie thanks :)4. In the circuit to the right, the four resistors all have a resistance of 22 and the battery supplies a potential difference of Vbat3D2.5V. If the battery current (lbat) is A, what is the electric potential at point P? R a. Vp= 2.5V b. Vp= 1.5V c. Vp= 1.0V d. Vp= -2.0V e. Vp= -0.5V R45) Use the following diagram. m 35 92 10 V 15 92 I a. What is the total current? b. What is the potential through the 352 resistor? C. What is the potential through the 15 2 resistor? d. What is the total power through the resistor?
- 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 WA TV works properly under the voltage of 4V= 110 V with power P = 1560 W. Express the current I through the power P and the voltage AV. I = Calculate the working current of the TV in A. I = Express the resistance R through the voltage AV and the current I. R = |Calculate the numerical value of R in 2. R =l. Figure 6 shows an electric circuit that consists of a battery, a wite and three resistors. Hant 30 100v 52 Figure 6: An electric circuit With the aid of figure 6, answer the following questions: a. Re-sketch Figure 6 and show the directions of both current and electrons. b. Determine the total currents in the circuits, c. Determine the potential difference across each resistor. 20 d. Determine the power through the circuit e. Suppose the 4-ohm resistor is removed, will the total current will increase or decrease? Prove.
- 2. An Iron wire at 0 Celcius has resistivity Ro. At which temperature the resistiv- ity of this wire will be 1.2Ro. You can find the value temperature coefficients of resistivity from Table 25.2 from your book. Explain the physical mechanism of rising resistivity by the rising temperature.ELECTRICAL POTENTIAL AND CURRENT: V IR E-P P IV C Pt Series Circuits: Parallel Circuits: V, = V, + V,+ V, +. V, = V, = V, V, .. 1. 1. R, = R, + R, + R, +. RT R, R Based on the circuit drawn below: (Please use your VIRP chart) R = 15 Q V = 120 V R2 = 20 2 R3 5 2 W-a. How much current is drawn from the source?b. What is the terminal voltage of the battery?c. What is the total resistance?d. What is the voltage drop across each device?e. What is the current in the resistor [6-ohm]? Note: Draw another schematic showing combinations of resistance [if there is any]