The figure below shows a circuit with two batteries and three resistors. (Assume R₁ = 1.500, R₂ = 4.80 , and R3 = 6.000.) a R₁ www 6.00 V + R3 - R₂ ww + 9.00 V b (a) How much current flows through the 1.50- resistor? A (b) What is the potential difference between points a and b in the circuit? V
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- Problem Description A typical AA battery has a potential difference of 1.5 V and stores 10,000 J of chemical energy. An electric fan powered by two AA batteries in series can be treated as a single resistor with resistance 15.0 Ω connected to the batteries. Assume the potential difference provided by the batteries remains constant until they completely run out of energy. Instructions In a neat and organized fashion, write out a solution which includes the following: If this fan is run continuously, how long will it take for the batteries to run out of energy? Clearly show all steps, starting from generalized equations. Explain your mathematical work in words. Your explanation should cover both what you did and the thought process behind why you did that. Evaluate your answer to determine whether it is reasonable or not. Consider all aspects of your answer (the numerical value, sign, and units) in your evaluation.A 150V moving iron volt meter intended for 50Hz has an inductance of 0.7H and a resistance of 3K ohm. Find the series resistance required to extend the range of instrument to 300V if this 300V - 50Hz instrument used to measure dc voltage find the dc voltage when the scale reading is 200VAbout 20% of a home’s use of energy goes to lighting, while the number for commercial establishments is closer to 40%. Fluorescent lights are about four times more efficient than incandescent lights—this is true for both the long tubes and the compact fluorescent lights (CFL). Thus, a 60-W incandescent bulb can be replaced by a 15-W CFL, which has the same brightness and color. The heat transfer from these CFLs is less, and they last up to 10 times longer. New white LED lights (which are clusters of small LED bulbs) are even more efficient (twice that of CFLs) and last 5 times longer than CFLs. However, their cost is still high. If the cost of electricity in your area is P10 per kWh, what is the total cost (capital plus operation) of using a 60-W incandescent bulb for 1000 hours (the lifetime of that bulb) if the bulb cost P100? If we replace this bulb with a compact fluorescent light that provides the same light output, but at 1/4 the wattage, and which costs P20 but lasts 10 times…
- (BASIC ELECTRICAL ENGINEERING) A solenoid has a length of 88cm and has a core of free air. It is wound with 4600 turns of wire and inductance of 278,000 micro Henry. What is the cross sectional area of the Solenoid in cm2 ?Show complete solution and limit your answer into 3 decimal.Vbatt=25 VC1=90 ?CC2=75 ?CC3=60 ?CR1=160 ΩR2=120 Ωt2=21.6 msect3=27 msecConsider the circuit shown below which shows a battery connected to some resistors and capacitors along with some switches which will be toggled opened or closed at different times. The components are listed above. The capacitances are in microCoulombs (?C), the resitances are in Ohms (Ω), and the times are in milliseconds (msec). A stopwatch is started at time t1=0 ms. At that time, switch S1 is closed and all other switches are open and the capacitor is allowed to charge up.(a). What is the charge (in uC) on C1 at the time the stopwatch reads t2=21.6 ms?Ans: 1750 uC(b). What is the current (in mA) through R1 at t2=21.6 ms?Ans: 34.9 mA(c). What is the voltage (in V) across R1 at t2=21.6 ms?Ans: 5.58 V(d). What is the voltage (in V) across C1 at t2=21.6 ms?Ans: 19.4 V(e). What is the energy (in mJ) in C1 at t2=21.6 ms?Ans: 17.0 mJThen, immediately at time t2=21.6 on the stopwatch, switch S1 is thrown open and…Charging a 100mF capacitor in series with a 10000W resistor, using emf E=5v. a) how long after voltage is applied does Vcap(t) reach 4 voltsb b) what's the current through R at t=2sec.
- QUESTION TEXT A potentiometer consisting of a wire of length = 10 cm has a source of emf, ɛ = 15V connected across it. When a standard cell with emf V = 6V, in series with a voltmeter, is connected at one end of the wire and at a distance L along the wire the voltmeter circuit is in balance and the voltmeter reads zero. What is the value of the balance length L? Select one: a. 1.5 cm b. 4.0 cm c. 6.0 cm d. 2.0 cmPLEASE SHOW YOUR DETAILED SOLUTION. WILL GET A LIKE A resistor and an inductor are connected in parallel to a 120-V, 60-Hz source. If the total current and power in the circuit is, respectively, 17 amp and 1,800 watts, calculate the values of R and L.A circuit consists of a series combination of 6.00 kΩ and5.00 kΩ resistors connected across a 50.0 V battery having negligibleinternal resistance. You want to measure the true potential difference(that is, the potential difference without the meter present) across the5.00 kΩ resistor using a voltmeter having an internal resistance of10.0 kΩ. By what percentage is the voltmeter reading in error from the true potential difference?
- The manufacturer of a 6 V dry-cell flashlight battery says that thebattery will deliver 15 mA for 60 continuous hours. During that time thevoltage will drop from 6 V to 4 V. Assume the drop in voltage is linearwith time. How much energy does the battery deliver in this 60 hinterval?An ideal voltmeter V is connected to a 2.0 Ω resistor and a battery with electromotive force emf 5.0 V and internal resistance 0.5 Ω as shown in figure d. a) What is the current in the 2.0 Ω resistor? b) What is the terminal voltage of the battery? c) What is reading on the voltmeter? Explain your answers. (Explain the solution)Kindly provide a step by step solution on how to solve this.For example They say the answer for Vth=-2 V and Rth= 1.5 Ohm but I have no idea how the got it.I am writing tomorrow