The power used by the toaster is 10. 13. an electric toaster operating on 120 volts draws a current of 6 amperes. close. Please bear with me, and as I explained in my previous posts, I am not familiar with electricity (although I have tried reading internet resources, but they are usually too high level or does not answer my question. First week only $4.99! A hair dryer has a power rating of 1200 W at 120 V rms. What is the resistance? Estimate the energy consumed by these appliances in an average day (by estimating their time of use). study resourcesexpand_more. Residential 120-volt circuits use wiring with an indicator of 14-gauge. tutor. Calculate the resistance of a 900 watt toaster operating at 120 volts. What is the resistance of the toaster? Study Resources. The diagram shows a 50 V power source connected to two resistors. 3. There is a simple formula for converting the maximum wattage rating of an appliance to a maximum current number. arrow_forward. The power used by the toaster Circuits drawing more than 15 amps must switch to 12-gauge wire. You can obtain this type of ammeter in stores that sell electrical and electronic . TRUE. write. Calculate the current in the coiled heating element of a 240-V stove. This resistive heating is the result of "friction," as created by microscopic phenomena such as retarding forces and collisions involving the charge carriers (usually electrons); in formal terminology, the heat corresponds to the work done by the charge . tutor. Determine the amount of heat energy delivered by the toaster while toasting bread for 55 s. 16. Click calculate to find the energy consumption of a bread toaster using 1200 Watts for 0.20 hours a day @ $0.10 per kWh. What is the reading of voltmeter V1? 960 W. a toaster connected to a 120-volt outlet draws a current of 6 amperes. arrow_forward. Physics. Calculate how much electrical energy is used by the bulb. A basic, simplistic toaster is very simple - it is a switch and . learn. . a. 20 ohms. Start your trial now! A light bulb attached to a 120 volt source of potential difference draws a current of 1.25 amperes for 35.0 seconds. Solution for An electric toaster operating on 120 volts draws a current of 7 amperes. TRUE. 4 While operating at 120 volts, an electric toaster has a resistance of 15 ohms. 2) Check out the total wattage used in the rest rooms of . 1.0 W. 960 W. 1,800 W. 120 W . The resistance of the element is 60 ohms at its operating temperature. I = V/R = (240 V)/ (60 ) = 4 A. Explain why something like a toaster has a higher rating than a digital clock. First week only $4.99! Knowing the wattage and voltage is all you really need to know to figure this out. Physics questions and answers. The power used by the toaster is B c D 8.0 w 120 w 960 w 1 ,800 w What is the net static electric charge on a metal sphere having an excess of +3 elementary charges? Hence, the correct answer is option A i.e. Note: Make sure you convert time from hours to seconds. Assuming the hair dryer circuit contains only resistance, what is the resistance of the heating element? 960W. while operating at 120 volts, an electric toaster has a resistance of 15 ohms. Answering the question A common equation is R = V / I So, R = 120 V / 8 A = 15 , aka 15 ohms (Please note my syntax here. If the voltage V, in an electric circuit is held constant,the current,I,is inversely proportional to the resistance,R. 9.0 103 J c. 5.4 105 J 8 An operating electric heater draws a current of 10 amperes and has a resistance of 12 ohms. The power used by the toaster is - 22758904 Students may get confused between kW and kWh. B c D 1.60 x 10-19 c 4.80 x 10-19 c 3.00 x c 4.80 x 1019 c An operating electric iron draws a current the power used by the toaster is. 100 vs 120 volts is different enough to affect the operation of a Japanese appliance plugged into a North American circuit. Start exploring! Explain if the resistors are wired in series or parallel. How much energy does the heater use in 60 seconds? What is the power used by the toaster? 1 Answer Michael Nov 13, 2015 #12Omega# Explanation: Power #= VxxI=1200"W"# #:.I=1200/120=10"A"# The power . (1) 8.0 W (3) 960 W (2) 120 W (4) 1,800 W (1) 10 s (3) 1,000 s (2) 100 s (4) 100,000 s While operating at 120 volts, an electric toaster has a resistance of 15 ohms. How much electrical energy is delivered to the heater during 200. seconds of operation? 160V. by a 1500-watt hair dryer operating for 6 minutes? AMPERES If the current in resistor R is 3.0 amperes, the rate at which Rconsumes electrical energy is 13. Start your trial now! The power used by the toaster is. Most toasters in the US are 1500 watts. 7) In a series circuit containing two lamps, the battery supplies a potential difference of 1.5 volts. In the circuit shown, voltmeter V2 reads 80. volts. While operating at 120 volts, an electric teaser has a resistance of 15 ohms. We've got the study and writing resources you need for your assignments. Base your answer to the following question on the diagram below, which represents an electric circuit The receptacles and plugs used in countries with 240-volt standard voltage are shaped differently than those in North America so you can't confuse them; receptacles and plugs in Japan, where the standard is 100 volts, are shaped the same. Many people have not studied physics, either because it was not offered in their schools or because it was optional and they chose not to take it. Answer (1 of 4): A toaster is connected to a 120-volt supply and its draw 8 amperes. However, I herewith make a suggestion that I have made in other threads. Whenever an electric current flows through a material that has some resistance (i.e., anything but a superconductor), it creates heat. . The bread toaster uses from 800 to 1500 watts of energy when in use, an average toaster will use around 1200 watts. 10022 522 a. I am guessing this is a typo and you mean 1000 watts. Solution for resistance of the toaster. While operating at 120 volts, an electric toaster has a resistance of 15 oluns. On a standard outlet, do not draw more than 80% of the circuit's energy at any given time. A = W/V Current (A or amps) equals watts (W) divided by voltage (V), or more simply, A=W/V. Ans: P= 960W Explanation: Use the equation P=V^2/R . kW stands for kilowatt. You must be kidding. If the current in the ci rcuit is 0.10 ampere, at what rate does the circuit use energy? 1.A 3.6-volt battery is used to operate a cell phone for 5.0 minutes. If the current is 490 milliamperes when the resistance is 5 ohms,find the current when the . The force on a charged object divided by the charge on the object is _____. How long must a 100-watt light bulb be used in order to dissipate 1,000 joules of electrical energy? If the household voltage is 120 V, then use P = IV. The resistance of the toaster is. Answer (1 of 5): You now have three responses which give the right answer. 250 J b. An electric toaster operating on 120 volts draws a current of 9 amperes. While operating at 120 volts, an electric toaster has a resistance of 15 ohms. The power used by the toaster is 126. A) 15 W B) 1.5 W C) 0.15 W D) 0.015 W 8) While operating at 120 volts, an electric toaster has a resistance of 15 ohms. This equals to toasting 6 slices of bread for 12 minutes in total each day. If two slide projectors are connected in parallel across the same 120 volt source, the current drawn from the source in amperes is. While operating at 120 volts, an electric toaster has a resistance of 15 ohms. Study Resources. a) R= 10 ohms b) R=120 ohms c) R= 16 ohms d) R=1.6 ohms . While operating at 120 volts, an electric toaster has a resistance of 15 ohms. As the filament of the bulb heats up, its . Both the units are different. Simple to use Ohm's Law Calculator. An immersion heater has a resistance of 5.0 ohms while drawing a current of 3.0 amperes. learn. If the cell phone dissipates 0.064 watt of power during its operation, the current that passes through the phone is 2. Most appliances in the United States use 120 volts. Hours Used Per Day: Enter how . Rs.4.40. A 120-volt toaster is rated at 600 watts. We've got the study and writing resources you need for your assignments. Larger appliances, such as clothes dryers and electric cooktops, use 240 volts. write. For example, if you have a coffee pot that is rated at 1500 watts, you can easily calculate the maximum amount of current that coffee pot . study resourcesexpand_more. 2. Some appliances might only state the operating current. I = V/R = (120 V)/ (14 ) = 8.6 A. If not, find an ammeter to measure the current flowing through it. Just enter 2 known values and the calculator will solve for the others. 240-volt circuits and higher current loads need the thickest wires available. 13.3. What is the power used by the toaster? The energy used by a 100 watt light bulb in 1 hour is 360,000 joules. The resistance of the toaster is? 3.6 x 10^3 J. An incandescent light bulb is supplied with a constant potential difference of 120 volts. electric toaster oven is operating at 120 V and draws 15 A of current. While operating at 120 volts, an electric toaster has a resistance of 15 ohms. Start exploring! Calculate Power, Current, Voltage or Resistance. close. What is the power used by the toaster? Answer (1 of 5): 100 watt toaster? It is a unit of power. how much electrical energy does the toaster use in 5 seconds. Thus, the cost of operating an electric toaster for 2 hours is Rs.4.40. answer choices . 12. Hi everyone First off warning again that these questions will seem very weird. The amperes might be stamped on the unit in place of the wattage. . Quantities are in italics, and the mandatory space between t. E. 3. Subjectschevron_right . Calculate the current in a toaster that has a heating element of 14 ohms when connected to a 120-V outlet. Under normal conditions, the current in the toaster is 14.
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