Explain in not more or less than 5 sentences. 1. What happens if there is potential difference between two points in a circuit? 2. State Kirchhoff’ Voltage Law.
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Explain in not more or less than 5 sentences.
1. What happens if there is potential difference between two points in a circuit?
2. State Kirchhoff’ Voltage Law.
Step by step
Solved in 3 steps with 3 images
- Construct Your Own Problem Consider a battery used to supply energy to a cellular phone. Construct a problem in which you determine the energy that must be supplied by the battery, and then calculate the amount of charge it must be able to move in order to supply this energy. Among the things to be considered are the energy needs and battery voltage. You may need to look ahead to interpret manufacturer’s battery ratings in ampere hours as energy in joules.5 V 1. For the circuit below, the total current drawn by the circuit is 0.40 A. + a. What is the voltage (in V) across each light bulb? (3) b. Determine the current (in A) in each light (3) bulb. c. What is the equivalent resistance (in 2) of the two branches in parallel? (2) d. What is the total resistance (in 2) of the circuit? (2) R₁ = 7 Ω R₂ = 90 R3 = 1301. Present a brief explanation of how, by creating an imbalance of positive and negative charges across a gap of material, it is possible to transfer energy when those charges move. Include at least one relevant formula or equation in your presentation. 2 Procont a brief ownlond of how lectric circuit combining a capacitor with an
- In a superconductor ( and sometimes on Star Trek) it is said “Resistance is Futile “. Interpret and apply this in terms of electrical properties of materials. What is a kilowatt-hour? When is it used of Joules? If an electrical circuit has junctions, do you have to use Kirchhoff’s rules to analyze it? Explain.1. If charges flow very slowly through a metal, why does it not require several hours for a light to come on when you throw a switch? 2. Newspaper articles often contain statements such as "10 000 volts of electricity surged through the victim's body." What is wrong with this statement? 3. Why is it possible for a bird to sit on a high-voltage wire without being electrocuted? 4. Referring to the figure below, describe what happens to the lightbulb after the switch is closed. Assume the capacitor has a large capacitance and is initially uncharged. Also assume the light illuminates when connected directly across the battery terminals.1. Voltage are always measured between two points. Why? Justify your answer. Minimum of 5 sentences
- 1. Write Ohm’s Law. 2. Can one be shocked by touching a wire carrying a very large current with a low voltage source?Why? 3. Interpret the significance of the shape and the y-intercept of the curve .1. What happens to the equivalent resistance as the resistors are added in?? (a) series (b) parallel 2. as a consequence of adding resistors in (a) Series (b) parallel what happens to the total current flowing in the circuit? 3. how do you compare the currents and voltages with resistors connected in series and in parallel?1. Question 1: a. Draw a simple circuit diagram with a battery and a light bulb and how you can simultaneously use a voltmeter to measure the voltage drop across the resistor and use an ammeter to measure the current through the resistor. Label both circuit elements along with the current using the notation from Figures 1 and 2. b. If the battery voltage is 2V and the light bulb resistance is 100, what is the current in this circuit?
- 8. Given a set of capacitors: 7 nF, 6 nF, 5 nF, 4 uF, 3 pF and 10 µF, solve the following problems: a. Solve the total capacitance for a parallel circuit and illustrate the circuit. b. If the parallel circuit is connected to a 60V battery, find the total charge. C. Given the same voltage, solve for the energy.1. Explain how conservation of charge is related to Kirchhoff's junction rule. Explain how conservation of energy is related to Kirchhoff's voltage loop rule. 2. R1 If R2 = R6 = 10 kN and the rest are 1 2, find the 3. R2 R3 effective resistance of R4 the circuit. The circuit 10 V R5 R6 can be estimated as what kind of circuit? R725. Two identical resistors are connected in parallel across the terminals of a battery. If you increase the resistance of one of the resistors, what happens to the current through and the voltage across the other resistor? A. The current and the voltage increases. B. The current and the voltage remain the same. C. The current increases and the voltage remains the same. D. The current decreases and the voltage remains the same. 26. Based on the diagram at right, which of the following statements BEST describes it? A. The resistors are connected in parallel because the same current flows through all three resistors. B. The resistors are connected in parallel because different current flows through all three resistors. C. The resistors are connected in series because the same current flows through all three resistors. D. The resistors are connected in series because different current flows through all three resistors. 27. Based on the given diagram below, what is the total power…