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 How much power is dissipated in the heating element? Express your answer using two significant figures. Phe= kW |
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 2.2times10^-2 ohm connected in series with a 9.9 ohm nichrome heating element. The potential difference between the terminals of the toaster is 120 V. How much power is dissipated in the power cord? Express your answer using two significant figures. How much power is dissipated in the heating element? Express your answer using two significant figures.
Your toaster has a power cord with a resistance of 1.9×10−2 Ω connected in series with a 9.7 Ω nichrome heating element. The potential difference between the terminals of the toaster is 120 V. How much power is dissipated in the power cord? (W) How much power is dissipated in the heating element? (kW)
Chapter 21 Problems Problem 21.41 Problem 21.41 Your toaster has a power cord with a resistance of 2.2x10-2 n connected in series with a 9.9 Sn nichrome heating element. The potential difference between the terminals of the toaster is 120 V
A Nichrome heating element that has resistance 28.0 Ω is connected to a battery that has emf 86.0 V and internal resistance 1.6 Ω . An aluminum cup with mass 0.130 kg contains 0.200 kg of water. The heating element is placed in the water and the electrical energy dissipated in the resistance of the heating element all goes into the cup and water. The element itself has very small mass. How much time does it take for the temperature...
A Nichrome heating element that has resistance 27.0 Ω is connected to a battery that has emf 88.0 V and internal resistance 1.6 Ω . An aluminum cup with mass 0.130 kg contains 0.200 kg of water. The heating element is placed in the water and the electrical energy dissipated in the resistance of the heating element all goes into the cup and water. The element itself has very small mass. How much time does it take for the temperature...
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
The corroded contacts in a lightbulb socket have 8.3 Ω total resistance. Part A How much actual power is dissipated by a 110 W (120 V) lightbulb screwed into this socket? Express your answer using two significant figures.
A Light-Dimmer Circuit The intensity of a lightbulb with a resistance of 150 Ω is controlled by connecting it in series with an inductor whose inductance can be varied from L=0 to L=Lmax. This "light dimmer" circuit is connected to an ac generator with a frequency of 60.0 Hz and an rms voltage of 120 V. Part A: What is the average power dissipated in the lightbulb when L=0? Express your answer using two significant figures. Part B: The inductor...
A Nichrome heating element that has resistance 28.0? is connected to a battery that has emf 82.0V and internal resistance 1.6? . An aluminum cup with mass 0.130 kg contains 0.200 kg of water. The heating element is placed in the water and the electrical energy dissipated in the resistance of the heating element all goes into the cup and water. The element itself has very small mass. How much time does it take for the temperature of the cup...
A 9.0-V battery is connected to a bulb whose resistance is 3.0 Ω . Part A How many electrons leave the battery per minute? Express your answer using two significant figures.