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A toaster oven is rated at 2000 W for operation at 120 V, 60 Hz. Part...
A "2000 WW" electric heater is designed to operate on a 230VV supply. A "2000 W"...
A "2000 WW" electric heater is designed to operate on a 230VV
supply.
A "2000 W" electric heater is designed to operate on a 230V supply Part A What is its operating resistance? Express your answer with the appropriate units. μΑ ? R= Value Units Submit Request Answer Part B What current does it draw? Express your answer with the appropriate units. μΑ ? I = Value Units Submit Request Answer Part C If the voltage drops to 220 V,...
Your toaster has a power cord with a resistance of 1.8×10−2 Ω connected in series with...
Your toaster has a power cord with a resistance of 1.8×10−2 Ω connected in series with a 9.9 Ω nichrome heating element. The potential difference between the terminals of the toaster is 120 V. Part A How much power is dissipated in the power cord? Express your answer using two significant figures. Pcord= W Part B How much power is dissipated in the heating element? Express your answer using two significant figures. Phe= kW
A series RLC circuit consists of a 75/2 resistor, a 0.52 H inductor, and a 30...
A series RLC circuit consists of a 75/2 resistor, a 0.52 H inductor, and a 30 uF capacitor. It is attached to a 120 V/60 Hz power line. Part A What is the peak current I at this frequency? Express your answer with the appropriate units. li μΑ ? I = Value Units Submit Request Answer Part B What is the phase angle o? EVO AE Submit Request Answer Part C What is the average power loss? Express your answer...
In the circuit shown in (Figure 1), E = 29.0 V, R1 = 6.00 12, R3...
In the circuit shown in (Figure 1), E = 29.0 V, R1 = 6.00 12, R3 = 12.0 12, and R2 can vary between 3.00 N and 24.0 12. Part A For what value of R2 is the power dissipated by heating element Rị the greatest? Express your answer with the appropriate units. НА ? R2 Value Units Submit Request Answer Part B Calculate the magnitude of the greatest power. Express your answer with the appropriate units. μΑ PE Value...
A "2100 W" electric heater is designed to operate on a 230V supply. What is its...
A "2100 W" electric heater is designed to operate on a 230V supply. What is its operating resistance? Express your answer with the appropriate units. ЦА ? R= Value Units Submit Request Answer Part B What current does it draw? Express your answer with the appropriate units. μΑ ? I= Value Units Submit Request Answer Part If the voltage drops to 220 V, what power does the heater take? (Assume that the resistance is constant. Actually, it will change because...
Using the formula power = current x voltage, find the current drawn by a 800-W toaster...
Using the formula power = current x voltage, find the current drawn by a 800-W toaster connected to 110 V Express your answer to two significant figures and include the appropriate units. μ.Α. I Value Units Submit Request Answer 4 Part B Then, using the equation current = voltage/resistance, find the resistance of the toaster. Express your answer to two significant figures and include the appropriate units. . ? R = Value Units CLL --- P Pearson
Consider the circuit shown in (Figure 1). Suppose that V, = 415 0°V (rms). 4 Ω...
Consider the circuit shown in (Figure 1). Suppose that V, = 415 0°V (rms). 4 Ω ν j3ΩΙ 120 Ω + j90 Ω Source- Line - Load Find the average power dissipated in the line in the figure. Express your answer to three significant figures and include the appropriate units. t НА ? ? P= Value Units Find the capacitive reactance that, when connected in parallel, with the load will make the load look purely resistive. Express your answer to...
A tungsten evaporation source is rated at 1000 W and operates at 120 V. If the...
A tungsten evaporation source is rated at 1000 W and operates at 120 V. If the filament heater wire is 20 cm long and 0.75 mm in diameter estimate the temperature (T) the source will reach when powered. Compare your answer with an alternative estimate of the estimate assuming all of the input electrical power dissipated is thermally radiated from the filament surface.
Part A A 4.31-kg watermelon is dropped from rest from the roof of a 17.5-m-tall building...
Part A A 4.31-kg watermelon is dropped from rest from the roof of a 17.5-m-tall building and feels no appreciable air resistance. Calculate the work done by gravity on the watermelon during its displacement from the roof to the ground. Express your answer with the appropriate units. НА ? W = Value Units Submit Request Answer Part B Just before it strikes the ground, what is the watermelon's kinetic energy? Express your answer with the appropriate units. μΑ ? Value...
Lightbulb A is rated at 120 V and 100 W for household applications. Lightbulb B is...
Lightbulb A is rated at 120 V and 100 W for household applications. Lightbulb B is rated at 12 V and 100 W for automotive applications. Part A What is the current through each bulb? Express your answer using two significant figures. Enter your answers numerically separated by a comma. IVO AXO ? IA, IB = A Submit Request Answer Submit Part B What is the resistance of each bulb? Express your answer using two significant figures. Enter your answers...
A "2000 WW" electric heater is designed to operate on a 230VV
supply.
A "2000 W" electric heater is designed to operate on a 230V supply Part A What is its operating resistance? Express your answer with the appropriate units. μΑ ? R= Value Units Submit Request Answer Part B What current does it draw? Express your answer with the appropriate units. μΑ ? I = Value Units Submit Request Answer Part C If the voltage drops to 220 V,...
A series RLC circuit consists of a 75/2 resistor, a 0.52 H inductor, and a 30 uF capacitor. It is attached to a 120 V/60 Hz power line. Part A What is the peak current I at this frequency? Express your answer with the appropriate units. li μΑ ? I = Value Units Submit Request Answer Part B What is the phase angle o? EVO AE Submit Request Answer Part C What is the average power loss? Express your answer...
In the circuit shown in (Figure 1), E = 29.0 V, R1 = 6.00 12, R3 = 12.0 12, and R2 can vary between 3.00 N and 24.0 12. Part A For what value of R2 is the power dissipated by heating element Rị the greatest? Express your answer with the appropriate units. НА ? R2 Value Units Submit Request Answer Part B Calculate the magnitude of the greatest power. Express your answer with the appropriate units. μΑ PE Value...
A "2100 W" electric heater is designed to operate on a 230V supply. What is its operating resistance? Express your answer with the appropriate units. ЦА ? R= Value Units Submit Request Answer Part B What current does it draw? Express your answer with the appropriate units. μΑ ? I= Value Units Submit Request Answer Part If the voltage drops to 220 V, what power does the heater take? (Assume that the resistance is constant. Actually, it will change because...
Using the formula power = current x voltage, find the current drawn by a 800-W toaster connected to 110 V Express your answer to two significant figures and include the appropriate units. μ.Α. I Value Units Submit Request Answer 4 Part B Then, using the equation current = voltage/resistance, find the resistance of the toaster. Express your answer to two significant figures and include the appropriate units. . ? R = Value Units CLL --- P Pearson
Consider the circuit shown in (Figure 1). Suppose that V, = 415 0°V (rms). 4 Ω ν j3ΩΙ 120 Ω + j90 Ω Source- Line - Load Find the average power dissipated in the line in the figure. Express your answer to three significant figures and include the appropriate units. t НА ? ? P= Value Units Find the capacitive reactance that, when connected in parallel, with the load will make the load look purely resistive. Express your answer to...
Part A A 4.31-kg watermelon is dropped from rest from the roof of a 17.5-m-tall building and feels no appreciable air resistance. Calculate the work done by gravity on the watermelon during its displacement from the roof to the ground. Express your answer with the appropriate units. НА ? W = Value Units Submit Request Answer Part B Just before it strikes the ground, what is the watermelon's kinetic energy? Express your answer with the appropriate units. μΑ ? Value...
Lightbulb A is rated at 120 V and 100 W for household applications. Lightbulb B is rated at 12 V and 100 W for automotive applications. Part A What is the current through each bulb? Express your answer using two significant figures. Enter your answers numerically separated by a comma. IVO AXO ? IA, IB = A Submit Request Answer Submit Part B What is the resistance of each bulb? Express your answer using two significant figures. Enter your answers...
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