FIGURE A 30: 4.5 11.02 13-12 1952 2702 1. Determine the Equivalent Resistance, Equivalent Current, and Total Power if the battery in Figure A generates 38 volts.
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- (Indicates a review question, which means it requires only a basic understanding of the material to answer. Questions without this designation typically require integrating or extending the concepts presented thus far.) . A solid metal cylinder has a certain resistance. It is then heated and carefully stretched to form a longer, thinner cylinder. After it cools, will its resistance be the same as, greater than, or less than what it was before? Explain our choice.1. Please draw a circuit diagram for a 15 V battery that is in series with a 5-ohm resistor, has an open switch, and a .75 uF capacotir. Then find the circuit's time constant in us. 2. Find the initial curent when the swith is closed at t=0s and use the initial current plue the time constant to create a mathematical expression for the current as a function of time, I(t). Please include a drawing of I(t) from t=0 to t=5 RC 3. Use the expression you created in 2 to find the current at t=.010ms 4. Find the charge Q on the capacitor plates when they are fully charged. Write another mathematical expression for the capactitor charge as a function of time using the charge Q plus the time constant. Include a drawing of Q(t) from t=0 to t=5RC. 5. Use the expression you created in 4 to find voltage across the capacitor plates at t=.010ms. (just the last two)1. Please draw a circuit diagram for a 15 V battery that is in series with a 5-ohm resistor, has an open switch, and a .75 uF capacotir. Then find the circuit's time constant in us. 2. Find the initial curent when the swith is closed at t=0s and use the initial current plue the time constant to create a mathematical expression for the current as a function of time, I(t). Please include a drawing of I(t) from t=0 to t=5 RC 3. Use the expression you created in 2 to find the current at t=.010ms 4. Find the charge Q on the capacitor plates when they are fully charged. Write another mathematical expression for the capactitor charge as a function of time using the charge Q plus the time constant. Include a drawing of Q(t) from t=0 to t=5RC. 5. Use the expression you created in 4 to find voltage across the capacitor plates at t=.010ms. (just the first three)
- 1. Calculate the resistance of a resistor that has a voltage (potential difference) of 8 V across itwhen a current of 2 A flows through it. Draw the circuit diagram before doing the calculation. 2. Two 10 kΩ resistors are connected in series. Calculate the equivalent resistance. Draw the circuitdiagram before doing the calculation.Q5: Derive the expression for power P = VI in an electrical circuit. Q6: What is the resistance of an electric arc lamp, if the lamp uses 20A20A when connected to a 220 volt? Q7: A 162 resistor is connected to a 48v battery. What is the charge flow through it in one minute? Q8: A wire having an area of cross section = 6mm? and another wire having an area of cross section 10mm2, have the same length and are made up of the same material. Which wire has more resistance? Q9: In two minutes, 120C of charge flow through a conductor. What is the current flowing through it and the voltage across the terminals if the resistance of the conductor is equal to 22? Q10. 100 cm length of wire that is 1.5mm2 in cross section has a measured resistance of 12. Calculate the resistivity of the used material. Q11. Some homes use solid wire having a cross-sectional area of 4mm2 to provide electrical distribution to outlets and light sockets. Determine the resistance of 24 meters of this solid wire.…2. Figure shows resistors wired in a combination of series and parallel. In the below mentioned circuit, R, = 60, R2 = 80, R3 = 50, R4 = 100. The battery voltage is 24V. (c) The voltage %3D (a)Find the equivalent resistance of the circuit, (b) source current drop across R2 (d) The voltage drop across R3 (e) The power dissipated across R1. R1 R2: V Rg R4
- ANSWER ONLY NUMBER 4 3. A voltage of one volt applied across a resistance of one ohm produces a current of oneampere. What happens to the current if the voltage is doubled and the resistance ishalve? a. It doubles.b. It increases four times.c. It increases three times.d. It remains the same. 4. In Question 3, what is the current in amperes if the voltage is halved and the resistance is doubled?a. 1 ampereb. 0.33 amperec. 0.5 ampered. 0.25 ampere5. Refer to the circuit diagram below; calculate the total resistance, total current, voltage in each resistor, and current in each resistor. Total Resistance: Total Current: Voltage in R1: Voltage in R2: Voltage in R3: Vtotal: 6.00 V Current in R1: Current in R2: Current in R3: ELETC R1: 3.00 Q R2: 8.000 R3: 4.00 Q 000Some possibly useful numbers = 8.99 x 10° N m2/C2 €0 = 8.85 x 10-12C²/Nm2 4TEO %3D = 10-7Tm/A e = 1.6 x 1019 C me = 9.11 x 10-31kg mp = 1.67 x 10-27kg %3D leV = 1.6 x 10-19 J
- ohm's law states that the current flowing in a fixed resistor is directly proportional to the applied voltage. when 30 volts is applied accross a resistor, the current flowing through the resistor is 2.40x10^-3 amperes. a. Determine the constant of proportionality between voltage and current. b. Determine the current when applied voltage is 52Volts. c. Determine the voltage when the current is 3.60x10^-3 amperes.A string of 26 identical Christmas tree lightsare connected in series to a 120 V source. Thestring dissipates 65 W. P1: What is the equivalent resistance of thelight string?Answer in units of Ω. P2: What is the resistance of a single light?Answer in units of Ω. P3: What power is dissipated in a single light?Answer in units of W.a) Calculate the intensity of electric current passing through the resistance of 4ohms. b) Calculate the voltage at the resistance of 2 ohms.