A student claims when they use their space heater and hairdryer at the same time, the power for the entire house goes out. A second student says that it is not possible for the use of those two items to affect the power to the entire house. what might have happened to the first students to cause some of the power in the house to go out.

Q: A compact fluorescent lamp (CFL) uses less energy than its equivalent incandescent bulb. How much…

A: Power of CFL = P1 = 20 W Power of incandescent lamp = P2 = 100 W Price of electricity = PE = P…

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Q: A small vegetable shop use the following electric appliances: (i) Two Air Conditioner of rating 2100…

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Q: A person uses a 1.92 kW air conditioner for 10 hours and a 0.22 kW device for 4 hours. How much will…

A: Answer Energy consumption = power * time Given  1.92 kW  a/c for 10 hours 0.22 kW device for 4 hours…

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Q: determine the cost of operating a 2 W electric clock for 365 days at three cents ($.03) per kilowatt…

A: Since you have posted multiple questions we will solve the first question for you . If you want any…

Q: Heater A transfers 500 kJ of heat in 30 s while heater B transfers 0.8 MJ of heat in 0.75 min. Which…

A: The given data are: Q1=500 kJ=500×103 Jt1=30 sQ2=0.8 MJ=0.8×106 Jt2=0.75 min=45 s

Q: Energy is losses in a vacuum due to air resistance. Select one: True False

A: In theory. ,In  vaccum  there is no matter or air particles or it is low pressure container or space…

Q: n electric heater had a power rating of 1.5 kilowatts if the heater is run for 6 hours and…

A: Given Power of electric power is P=1.5 kW Time is t= 6 h Cost is =$ 0.12 /kWh

Q: A household use the following electric appliances: (i) A Refrigerator of rating 150 Ww for twenty…

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Q: A small vegetable shop use the following electric appliances: (1) Two Air Conditioner of rating 1800…

A: i) Given two air conditioner of rating 1800 Watts for 10 hours each day                Electrical…

Q: 49.) When you use electrical appliances you are using electrical energy based on the amount of the…

A: It is given that,

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A: 6. H1. The energy consumed in kWh can be calculated as

Q: A small vegetable shop use the following electric appliances: (i) Two Air Conditioner of rating 2100…

A: We know that Electrical energy consumed by appliances is E = nPt Where n is the number of appliance…

Q: Why is the answer not approx 0.58 kWh as P = (0.2)(120) = 24 W = 0.024 kW  and if E = P*t then E =…

A: Yes  Your answer 0.58 kwh is correct answer In previous answer time  one day 24 hour It alredy time…

Q: light bulb uses up a power of 2.6 kW/hr. If the rate is Php153.42 per 1 kW/hr, and the light was on…

A: Power is the rate of work done. Power = work done / time P = W/t =   W - work done t - time in…

Q: A student claims when they use their space heater and hairdryer at the same time, the power for the…

A: When both space heater and hairdryer are ON at the same time,the power of the same time the power…

Q: A small vegetable shop use the following electric appliances: (i) Two Air Conditioner of rating 1800…

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Q: Q3-) A 2000kW, 500 V variable speed motor is driven by a 2500 kW generator using a Ward Leonard…

A: Answer:-  (a)  Given  Es = 400 v  Eo = 380 v  Resistance (R) = 10 m ohm…

Q: How long must my 850 Watt lightbulb be on if it uses 38,250 J to re-heat my food? * O 0.02 seconds…

A: Power of the lightbulb is (P) = 850 watt Heat energy (W) = 38250 J Power = energy / time

Q: D. and kept on for 50 min. The amount of energy transferred to the room by the heater is A 2-kW…

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Q: A clothes dryer uses 3,000 watts when the motor is running. A newer model uses 400 watts when the…

A: Given The power of the old cloth dryer is Po=3000 W=3000×10-3 =3 kW. The power of the new model of…

Q: An ice cube is placed in a microwave oven. Suppose the oven delivers 135 W of power to the ice cube…

A: Let the power is denoted by P and the energy be denoted by E.

Q: A stationery shop use the following electric appliances: () Three Air Conditioner of rating 2100 W…

A:

Q: A household use the following electric appliances: (i) A Refrigerator of rating 200 W for twenty…

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Q: An object with mass 50 kg is given an initial velocity – 4" in a medium that exerts a resistive…

A: Since we only answer up to 3 sub-parts, we’ll answer the first 3. Please resubmit the question and…

Q: A small vegetable shop use the following electric appliances: (i) Two Air Conditioner of rating 2200…

A: Energy consumed is given by E = nPt Where n = number of appliances             P = power rating of…

Q: If 75.0 L of water at 11.0C enters a hot water heater where it is heated to 57.0C Determine:  (a)…

A: Given,Volume of water = 75.0L = 75 x 10-3 m3Initial temperature, T1 = 11°C = 284kFinal Temperature,…

Q: Your excercise regime is running up a flight of stairs every morning. if it takes you twice as long…

A: Given : normal time to climb the stairs  =t0 time taken to climb on a special day  =2t0   Determine…

Q: Having recently lost her job, Penny Penching is looking for every possible means of cutting costs.…

A: Given information: Here, P is the operating power of the clock.

Q: What is the cost of operating a 2.8 W electric clock for a year in Phoenix? (The cost of electricity…

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Q: A small vegetable shop use the following electric appliances: (i) Two Air Conditioner of rating 1500…

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Electric Charges and Fields

One of the fundamental properties is the electromagnetic property. Charge cannot be destroyed by any process and this contributes formally to the law of charge conservation.