4. A 700. W radio is current it draws. plugged into a standard household outlet (110...
An incandescent lightbulb is rated at 100 Watts when plugged into a 110 V-rms household outlet. Calculate the resistance of the filament and the rms current. a. 12.2 Ohm, 0.9A (rms) b. 10 Ohm, 1A (rms) c. 110 Ohm, 1A (rms) d. 122 Ohm, 0.9 A (rms) e. 11 Ohm, 1.1 A (rms)
A 140 W lightbulb is plugged into a standard 12D V outlet. (a) How much does it cost in dollars per 31-day month to leave the light turned on continuously? Assume electrical energy costs US$ 0.07/kW middot h. (b) What is the resistance of the bulb? (c) What is the current in the bulb? (a) Number Units (b) Number Units (c) Number units
Chapter 26, Problem 049 A 120 W lightbulb is plugged into a standard 120 V outlet. (a) How much does it cost in dollars per 31-day month to leave the light turned on continuously? Assume electrical energy costs US$ 0.08/kWh. (b) What is the resistance of the bulb? (c) What is the current in the bulb? (a) Number Units (b) Number Units (c) Number Units
A 1500-W heater is designed to be plugged into a 120-V outlet. What current will flow through the heating coil when the heater is plugged in? I = A What is R , the resistance of the heater? How long does it take to raise the temperature of the air in a good-sized living room 3.0m x 5.0m x 8m by 10 degrees C? Note that the specific heat of air is 1006 J/(kg x degrees C) and the density...
A hair dryer draws 12.5 A when plugged into a 120-V line. Assume direct current. (A) What is its resistance? (B) How much charge passes through it in 17 min ?
An electronic device has a power rating of 130 W when plugged into 110 V. Determine the resistance of the device. (A): 97 ohm (B): 89 ohm (C): 81 ohm (D): 104 ohm (E): 93 ohm
A hair dryer draws 11.5 A when plugged into a 120-V line. Assume direct current. a) What is its resistance? R=? b) How much charge passes through it in 16 min ? Q= ?
7. A TV draws a current of 1.75 A when connected to a 120 V household circuit. a) What is the resistance of the TV? b) What is the power dissipated by the TV? c) At $0.0858 per kWh, how much money will it cost to run the TV for 4 hours? d) If the resistance of the TV is doubled, how much power will it dissipate now? Does your answer make sense?
A hair dryer draws 11.5 A when plugged into a 120-V line. Assume direct current.A) What is its resistance?B) How much charge passes through it in 11 mins?Please, no referring.
what is the total current dawn on this circuit if both if these appliance run continuously for 2.5 minutes how much energy is consumed 4. Suppose that a particular kitchen circuit has two appliances both plugged in and running Blender (on highest setting), which draws 10.5 A Microwave oven, which draws 8.8 A a. What is the total current drawn on this circuit? Is this likely to trip the circuit breaker of a typical 120-V household circuit? A. 1.7 A...