How many joules is equal to one watt hour ?

Description : A train locomotive whose mass is 1 x 106 kilograms is traveling EAST at a speed of 100 kilometers per hour. A NORTHERLY wind is applying a force of 100 Newtons on the locomotive. How much work is the wind doing ... 10 meters it travels? w) 0 joules x) 1,000 joules y) 10,000 joules z) 100,000 joules

Last Answer : ANSWER: W -- 0 JOULES

Which of the following is not a unit of energy? a.Joule b.kW c.N-m d.Electron volt e.Watt-hour

Description : Which of the following is not a unit of energy? a.Joule b.kW c.N-m d.Electron volt e.Watt-hour

Last Answer : b. kW

How many hours will a 200 amp hour battery last at 168 watt?

Description : How many hours will a 200 amp hour battery last at 168 watt?

Last Answer : If it is a car battery (as given in the category) it is reasonably safe to assume that under load it is about 12V. I = P/E = 168W / 12V = 14A T = 200AH / 14A = 14.29H However ... battery. This is also assuming that the car battery is not being charged at any time while the load is present.

One kilowatt-hour is the amount of electrical energy that is consumed by 1000 watt appliance in ____. A. 30 minutes B. 45 minutes C. 1 hour D. 1 our and 15 minutes

Description : One kilowatt-hour is the amount of electrical energy that is consumed by 1000 watt appliance in ____. A. 30 minutes B. 45 minutes C. 1 hour D. 1 our and 15 minutes

Last Answer : ANSWER: C

Units of electricity consumed by 2500 watt airconditioner in one hour are: A. 0.25 units B. 1.25 units C. 2.5 units D. 25 units

Description : Units of electricity consumed by 2500 watt airconditioner in one hour are: A. 0.25 units B. 1.25 units C. 2.5 units D. 25 units

Last Answer : ANSWER: D

According to the definition of 1 KWh, a 100 watt bulb consumes one unit of electricity in _____. A. 1 Hour B. 5 Hours C. 8 Hours D. 10 Hours

Description : According to the definition of 1 KWh, a 100 watt bulb consumes one unit of electricity in _____. A. 1 Hour B. 5 Hours C. 8 Hours D. 10 Hours

Last Answer : ANSWER: D

One kilowatt-hour is the amount of electrical energy that is consumed by 1000 watt appliance in ____. A. 30 minutes B. 45 minutes C. 1 hour 24 D. 1 our and 15 minutes

Description : One kilowatt-hour is the amount of electrical energy that is consumed by 1000 watt appliance in ____. A. 30 minutes B. 45 minutes C. 1 hour 24 D. 1 our and 15 minutes

Last Answer : ANSWER: C

One kilowatt-hour is the amount of electrical energy that is consumed by 1000 watt appliance in ____. A. 30 minutes B. 45 minutes C. 1 hour D. 1 our and 15 minutes

Description : One kilowatt-hour is the amount of electrical energy that is consumed by 1000 watt appliance in ____. A. 30 minutes B. 45 minutes C. 1 hour D. 1 our and 15 minutes

Last Answer : ANSWER: C

Units of electricity consumed by 2500 watt airconditioner in one hour are: A. 0.25 units B. 1.25 units C. 2.5 units D. 25 units

Description : Units of electricity consumed by 2500 watt airconditioner in one hour are: A. 0.25 units B. 1.25 units C. 2.5 units D. 25 units

Last Answer : ANSWER: D

According to the definition of 1 KWh, a 100 watt bulb consumes one unit of electricity in _____. A. 1 Hour B. 5 Hours C. 8 Hours D. 10 Hours

Description : According to the definition of 1 KWh, a 100 watt bulb consumes one unit of electricity in _____. A. 1 Hour B. 5 Hours C. 8 Hours D. 10 Hours

Last Answer : ANSWER: D

The unit of electrical power is – (1) Bolt (2) Watt (3) Kilowatt hour (4) Ampere

Description : The unit of electrical power is – (1) Bolt (2) Watt (3) Kilowatt hour (4) Ampere

Last Answer : (2) Watt Explanation: Electric power is the rate at which electric energy is transferred by an electric circuit. The SI unit of power is the watt, one joule per second. Watt is named after the Scottish engineer James Watt who invented the Newcomen Steam Engine.

Kilo watt – Hour is a unit of –

Description : Kilo watt – Hour is a unit of –

Last Answer : Energy

What refers to the amount of heat removed from the cooled space in BTS’s for 1 watt-hour of electricity consumed?  A. Cost efficiency rating  B. Energy efficiency rating  C. Coefficient of performance  D. Cost of performance

Description : What refers to the amount of heat removed from the cooled space in BTS’s for 1 watt-hour of electricity consumed?  A. Cost efficiency rating  B. Energy efficiency rating  C. Coefficient of performance  D. Cost of performance

Last Answer : Energy efficiency rating

The S.I. unit of power is (a) Henry (b) coulomb (c) watt (d) watt-hour

Description : The S.I. unit of power is (a) Henry (b) coulomb (c) watt (d) watt-hour

Last Answer : (c) watt

What is the quantity shown on the watt-hour meter in figure 1-46?

Description : What is the quantity shown on the watt-hour meter in figure 1-46?

Last Answer : 5.945 megawatt-hours, or 5,945 kilowatt-hours, or 5,945, 000 watt-hours.

What electrical quantity is measured by a watt-hour meter?

Description : What electrical quantity is measured by a watt-hour meter?

Last Answer : Energy.

What type of instrument is the watt-hour meter?

Description : What type of instrument is the watt-hour meter?

Last Answer : an integrating

0.001 Kg mass will be equivalent to a) 2.50 Giga watt hour b) 25.00 giga watt hour c) 0.26 giga watt hour d) None of the above

Description : 0.001 Kg mass will be equivalent to a) 2.50 Giga watt hour b) 25.00 giga watt hour c) 0.26 giga watt hour d) None of the above

Last Answer : b) 25.00 giga watt hour

Electrical energy is measured in a. watt b. horse power c. kilo watt d. kilowatt hour

Description : Electrical energy is measured in a. watt b. horse power c. kilo watt d. kilowatt hour

Last Answer : d. kilowatt hour

A 100-watt light bulb is left on for 10 hours. Electricity is 10 cents per kilowatt-hour. How much did it cost to operate the light bulb?

Description : A 100-watt light bulb is left on for 10 hours. Electricity is 10 cents per kilowatt-hour. How much did it cost to operate the light bulb?

Last Answer : ANSWER: 10 CENTS

A homeowner replaces a 65 watt incandescent bulb with a 15 watt compact fluorescent lamp. The light is on 2000 hours a year. If electricity cost 10 cents a kilowatt-hour, how much money is saved on the electric bill in one year? w) $50.00 x) $10.00 y) $5.00 z) $1.00

Description : A homeowner replaces a 65 watt incandescent bulb with a 15 watt compact fluorescent lamp. The light is on 2000 hours a year. If electricity cost 10 cents a kilowatt-hour, how much money is saved on the electric bill in one year? w) $50.00 x) $10.00 y) $5.00 z) $1.00

Last Answer : ANSWER: X -- $10.00

The unit of electrical power is (1) Bolt (2) Watt (3) Kilowatt hour (4) Ampere

Description : The unit of electrical power is (1) Bolt (2) Watt (3) Kilowatt hour (4) Ampere

Last Answer : Bolt

Induction watt-hour meters are free from

Description : Induction watt-hour meters are free from (a) phase (b) creeping (c) temperature (d) frequency

Last Answer : b

The meter constant of a single-phase 230 V induction watt hour meter is 400 revolutions per kWh....

Description : The meter constant of a single-phase 230 V induction watt hour meter is 400 revolutions per kWh. The speed of the meter disc for a current of 10 A of 0.9 pf lagging will be

Last Answer : The meter constant of a single-phase 230 V induction watt hour meter is 400 revolutions per kWh. The speed of the meter disc for a current of 10 A of 0.9 pf lagging will be 13.80 rpm

A body is moving with velocity 4 m/s , possesses 56 Joules of Kinetic Energy. The momentum of body will be equal to -Physics

Description : A body is moving with velocity 4 m/s , possesses 56 Joules of Kinetic Energy. The momentum of body will be equal to -Physics

Last Answer : (d) 28 kgms-1

How many joules is equal to one calorie ?

Description : How many joules is equal to one calorie ?

Last Answer : 1 calorie = 4.2 joules.

1 BTU(British thermal unit) is equal to------? A. 955 joules B. 990 joules C. 1055 joules (Answer) D. 1211 joules

Description : 1 BTU(British thermal unit) is equal to------? A. 955 joules B. 990 joules C. 1055 joules (Answer) D. 1211 joules

Last Answer : C. 1055 joules (Answer)

At Equilibrium, the radiation emitted must equal the radiation absorbed.  a. Boyle’s Law  b. Planck’s Law  c. Kirchoff’s Law  d. Joule’s Law

Description : At Equilibrium, the radiation emitted must equal the radiation absorbed.  a. Boyle’s Law  b. Planck’s Law  c. Kirchoff’s Law  d. Joule’s Law

Last Answer : Kirchoff’s Law

A kilocalorie is equal to one of the following. Is it equal to: w) 4.2 Joules x) 1000 Joules y) 4200 Joules z) 10,000 Joules

Description : A kilocalorie is equal to one of the following. Is it equal to: w) 4.2 Joules x) 1000 Joules y) 4200 Joules z) 10,000 Joules

Last Answer : ANSWER: Y -- 4200 JOULES

If 10 joules of energy are required to move 5 coulombs of charge between two points, the potential difference between the two points is equal to how many volts?

Description : If 10 joules of energy are required to move 5 coulombs of charge between two points, the potential difference between the two points is equal to how many volts?

Last Answer : ANSWER: 2 VOLTS

How many watts is equal to one auto watt ?

Last Answer : One auto watt = 10 ^ -18 watts.

Two 100 watt light bulbs are connected in parallel across a 100 volt power supply. The total power developed in the circuit is _______________. A. 200 watts B. 100 watts C. 50 watts D. equal to the product of the amperes times the voltage in each branch

Description : Two 100 watt light bulbs are connected in parallel across a 100 volt power supply. The total power developed in the circuit is _______________. A. 200 watts B. 100 watts C. 50 watts D. equal to the product of the amperes times the voltage in each branch

Last Answer : Answer: A

One watt is equal to  (a) 1 Nm/s  (b) 1 N/mt  (c) 1 Nm/hr  (d) 1 kNm/hr  (e) 1 kNm/mt.

Description : One watt is equal to  (a) 1 Nm/s  (b) 1 N/mt  (c) 1 Nm/hr  (d) 1 kNm/hr  (e) 1 kNm/mt.

Last Answer : Answer : a

What do you understand by the units of electrical energy? How many joules of energy is consumed if the electrical meter shows 200 units of energy ? -Science

Description : What do you understand by the units of electrical energy? How many joules of energy is consumed if the electrical meter shows 200 units of energy ? -Science

Last Answer : Unit of electrical energy is defined as the energy spent or used by electrical appliance at the rate of 1 kw For (t) hours 1 kwh = 1000 W *3600s ... = 400* 3.6*10^6 J = 144*10^7 J

15 kcal = how many joules ?

Description : 15 kcal = how many joules ?

Last Answer : 15 kcal = 62,600 joules.

How many calories in 100 joules ?

Description : How many calories in 100 joules ?

Last Answer : 100 juices 23.80 calories.

1 Cal How many joules ?

Last Answer : 1 Cal = 4.18 J.

How many joules is 2 newtons through 10 metres?

Description : How many joules is 2 newtons through 10 metres?

Last Answer : Feel Free to Answer

How many joules in a aaa battery?

Description : How many joules in a aaa battery?

Last Answer : What is the answer ?

How A 500 g piece of iron changes 7 C when heat is added. How much heat energy in joules is produced due to this change in temperature?

Description : How A 500 g piece of iron changes 7 C when heat is added. How much heat energy in joules is produced due to this change in temperature?

Last Answer : Need answer

If 1.000 cal 4.184 Joule how many Joules are in 41.841 cal?

Description : If 1.000 cal 4.184 Joule how many Joules are in 41.841 cal?

Last Answer : Need answer

How many joules does a kilogram of wood?

Description : How many joules does a kilogram of wood?

Last Answer : Need answer

How many joules are required to boil 21.1 g of water at 100 C?

Description : How many joules are required to boil 21.1 g of water at 100 C?

Last Answer : The needed heat is 47,65 Joules.

How many joules of heat are necessary to melt 500 g of ice at it's freezing point?

Description : How many joules of heat are necessary to melt 500 g of ice at it's freezing point?

Last Answer : Heat required to melt 1 g of ice at 0Ã‚Â°C is approximately 80 cal . This is also called latent heat of fusion of ice.

How many joules of work would be accomplished if you moved a 200-kg rock 10 meters?

Description : How many joules of work would be accomplished if you moved a 200-kg rock 10 meters?

Last Answer : 190

Holding 25-N bag of sugar 1 meter above the floor requires how many joules of work?

Description : Holding 25-N bag of sugar 1 meter above the floor requires how many joules of work?

Last Answer : 24

How many joules is equal to one watt hour ?

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