When two identical resistors(say 4 ohm each)Are connected in parallel to a 12 V car battery,Calculate for both resistors: a.Voltage across each ,b.power dissipated in each,c.current through each? Do any of your answers change if the restistors are different from each other?
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When two identical resistors(say 4 ohm each)Are connected in parallel to a 12 V car battery,Calculate for both resistors:
a.Voltage across each ,b.power dissipated in each,c.current through each? Do any of your answers change if the restistors are different from each other?
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- 5. Compute for the individual values and the total values of the voltage, the current, and the resistance of the series circuit here. R, = 100 A VOLTAGE, CURRENT, RESISTANCE, V Vs = 12v R2= 200 R3 =300 6. Draw a series circuit connecting a battery and four resistors with a total resistance of 15 Q. The total current in the circuit should be 3 A. 7. Compute the individual values and the total values of the voltage, the current, and the resistance of the circuit here. IT VOLTAGE, CURRENT, RESISTANCE, 12 V V, = 24v R1 R2 R3 R1=102 R2 200 R3 =300 70 Property of and for the exclusive use of SLU. Reproduction, storing in a retrieval system, distributing, uploading or posting nline, or transmitting in any form or by any means, electronic, mechanical, photocopying, recording, or otherwise of any part of this document, without the prior written permission of SLU, is strictly prohibited. 2021.03.08 09:52a) How many electrons are contained in one coulomb of charge? b) When a resistor conducts electric current, its temperature increases. Explain how this phenomenon is significant to the application of resistors in electric circuits. In other words, why would we care about a resistor's temperature increasing? c) Define SI unit of the following: Resistance, Voltage, Current, Power d) The potential difference across a capacitor is 5.0 V and the charge on the capacitor is 150nC. Determine the charge on the capacitor when the potential difference is 10.0 Vatus xam Which material would get electrons from the source to the load the. FASTEST? A. gold B. glass C. plastic Oppyright ag- As Corporaton All gh eerved 19°F Mos FR F10 PrISC 10 7
- A 22 Ω resistor and a 2 Ω resistor are connected in series to an ideal 12 V battery. Find the potential difference across the firstresistor.Find the potential difference across the secondresistorR. R. в Figure A1 1. 4 resistors with resistance 25-2, 18-2, 10-N, 5-N are connected in parallel as shown in Figure A1. The least current will flow through A. 25-2 resistor B. 18-2 resistor C. 10-2 resistor D. 5-Ωresistor ww +1A 12.0 µF capacitor is charged to a potential of 50.0 V and then discharged through a 175 Qresistor. How long does it take the capacitor to lose half of its charge? Select one: t%3D1.46 ms t = 5.00 ms t%3D0.87ms t%34.36ms None of these is correct Next pag
- Materials in which electric charges (electrons) can move very easily are ____________. a. semiconductors b. good conductors c. non ohmic materials d. insulators Clear my choiceWhat is not a resistor? Check all that apply. a. Something that limits the flow of electrons b. Something that limits the voltage c. Something that robs energy from the system in terms of heat d. Something that produces a voltage drop across itWhich of these are TRUE: 1. Benjamin Franklin interpreted the negative terminal as an area where it lacks electrons 2. Resistivity is measured in ohms. 3. At high temperature, the vibrations of the atoms of the conductor increases 4. A conductor has electric current with or without potential difference 5. Only electron flow is acceptable in interpreting current flow
- Conduc-Thor-s. Thor has two square prism conductors that are made of the same ohmic material and with properties indicated below. Conductor Length | Cross-Section Side Length Alpha L Beta L/2 s/4 Suppose both conductors are subject to the same potential difference AV across their length while keeping their temperatures fixed. Which of the following is the correct relation between the electric currents, Ia and IB, through Alpha and Beta? O A. Ia = 8IB O B. 8Ia = Ig O. Ia = 4I8 O D. 4Ig = Ig Clear my choiceThe graph below shows the current that flows through a device called a diode at different voltages. Instead of the numbers presented on this graph, consider a diode for which current varies with voltage according to the equation I = V11.9. Hint: Plot this equation on your calculator. a. What is the resistance of the diode when a potential difference of 0.59 volts is placed across it? Include units in your answer. b. What is the resistance of the diode when 0.72 volts is placed across it? Include units in your answer.1. Calculate the power absorbed by each element. I=5 A P2 + 6 A 12 V + 20 V Pi P3 8V P4 0.21 2. Determine the current i, and the voltages Vy and Vy 90 V i, 10 2 + Vy 20 V Vy40 Q 20 Q