Kilowatt -hour is the unit of : (1) Energy (2) Power (3) Force (4) Momentum

Kilowatt -hour is the unit of : (1) Energy (2) Power (3) Force (4) Momentum
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Kilowatt-hour is the unit of : (1) Energy (2) Power (3) Force (4) Momentum

Description : Kilowatt-hour is the unit of : (1) Energy (2) Power (3) Force (4) Momentum

Last Answer : (1) Energy Explanation: The kilowatt hour, or kilowatthour, is a unit of energy equal to 1000 watt hours or 3.6 mega-joules For constant power, energy in watt hours is the product of ... kilowatt hour is most commonly known as a billing unit for energy delivered to consumers by electric utilities.

Kilowatt-hour (KWH) is the unit of - (1) power (2) resistance (3) resistivity (4) energy

Description : Kilowatt-hour (KWH) is the unit of - (1) power (2) resistance (3) resistivity (4) energy

Last Answer : (4) energy Explanation: The kilowatt hour (symbol kWh, kW h or kW h) is a unit of energy equal to 3.6 megajoules. If the energy is being transmitted or used at a constant rate (power) over a period of time, the total energy in kilowatt hours is the power in kilowatts multiplied by the time in hours.

'Kilowatt-hour' is the unit of - (1) potential difference (2) electric power (3) electric energy (4) electric potential

Description : 'Kilowatt-hour' is the unit of - (1) potential difference (2) electric power (3) electric energy (4) electric potential

Last Answer : (3) electric energy Explanation: The kilowatt hour (symbolized kW h as per SI) is a composite unit of energy equivalent to one kilowatt (1 kW) of power sustained for one hour.

A kilowatt-hour is unit of – (1) Energy (2) Power (3) Electric charge (4) Electric current

Description : A kilowatt-hour is unit of – (1) Energy (2) Power (3) Electric charge (4) Electric current

Last Answer : (1) Energy Explanation: Work is defined as a force acting through a distance (a length of space), energy is always equivalent to the ability to exert pulls or pushes against the basic forces of ... in joules, but in many fields other units, such as kilowatt-hours and kilocalories, are customary.

A kilowatt-hour is unit of (1) Energy (2) Power (3) Electric charge (4) Electric current

Description : A kilowatt-hour is unit of (1) Energy (2) Power (3) Electric charge (4) Electric current

Last Answer : Energy

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.

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

Kilowatt-hour is a unit of------? A. Power B. Electric Current C. Energy (Answer) D. Time E. None of these

Description : Kilowatt-hour is a unit of------? A. Power B. Electric Current C. Energy (Answer) D. Time E. None of these

Last Answer : C. Energy (Answer)

What is the unit of kilowatt hour ?

Description : What is the unit of kilowatt hour ?

Last Answer : Kilowatt hour is a unit of work and energy.

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

Kilowatt-hour is the unit of

Description : Kilowatt-hour is the unit of

Last Answer : Electricity

What is a kilowatt hour ?

Description : What is a kilowatt hour ?

Last Answer : One kilowatt hour is the amount of energy consumed by a device with one kilowatt capacity. Usually a unit of kilowatt hour is used for calculating electricity. 1 kWh = 3.8 × 10 ৬ joules.

One Kilowatt hour is equal to— (1) 3.6 Mega Joule (2) 3.8 Mega Joule (3) 3.2 Mega Joule (4) 4.0 Mega Joule

Description : One Kilowatt hour is equal to— (1) 3.6 Mega Joule (2) 3.8 Mega Joule (3) 3.2 Mega Joule (4) 4.0 Mega Joule

Last Answer : (1) 3.6 Mega Joule Explanation: The energy 1 kilowatt-hour (kWh) is 3600000 joules or 3.6 mega joule. In physics, energy is an indirectly observed quantity that is often understood as ... overly simplified definition, as the laws of thermodynamics demonstrate that not all energy can perform work.

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

One Kilowatt hour is equal to— (1) 3.6 Mega Joule (2) 3.8 Mega Joule (3) 3.2 Mega Joule (4) 4.0 Mega Joule

Description : One Kilowatt hour is equal to— (1) 3.6 Mega Joule (2) 3.8 Mega Joule (3) 3.2 Mega Joule (4) 4.0 Mega Joule

Last Answer : 3.6 Mega Joule

Assertion : Kilovol-ampere (kVA) and kilowatt-hour have the same dimensions. Reason : Both are the units of energy.

Description : Assertion : Kilovol-ampere (kVA) and kilowatt-hour have the same dimensions. Reason : Both are the units of energy.

Last Answer : Assertion : Kilovol-ampere (kVA) and kilowatt-hour have the same dimensions. Reason : Both are the ... . D. If both Assertion and Reason are false.

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

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

One kilowatt hour is the amount of energy delivered during a. one second b. one day c. one minute d. one hour

Description : One kilowatt hour is the amount of energy delivered during a. one second b. one day c. one minute d. one hour

Last Answer : b. one day

One kilowatt hour of electrical energy is the same as

Last Answer : One kilowatt hour of electrical energy is the same as  36 x 105 joules.

Which of the following pairs of physical quantities have the same dimensions? (1) Force and Power (2) Work and Power (3) Work and Energy (4) Momentum and Power

Description : Which of the following pairs of physical quantities have the same dimensions? (1) Force and Power (2) Work and Power (3) Work and Energy (4) Momentum and Power

Last Answer : (3) Work and Energy Explanation: The term energy is used to describe the capacity of a system to do work on another system. Energy of all types (Surface Tension, Kinetic, Potential etc.) have the same dimension and unit as that of Work.

Which of the following pairs of physical quantities have the same dimensions? (1) Force and Power (2) Work and Power (3) Work and Energy (4) Momentum and Power

Description : Which of the following pairs of physical quantities have the same dimensions? (1) Force and Power (2) Work and Power (3) Work and Energy (4) Momentum and Power

Last Answer : Work and Energy

How much do you pay per kilowatt-hour (kwh) for your electricity?

Description : How much do you pay per kilowatt-hour (kwh) for your electricity?

Last Answer : 1. there are three levels of pricing, depending on how much is used 0-700 =0.093 700-1000=0.157 over1000 = 0.175 per KWH in the summer. This varies seasonally 2. Northern California 3.Natural ... therms (seasonal) 0.968 above that 1.213 3. Gasoline for automobile $2.83.9 (yesterday, changes daily)

How many joules is equal to 1 kilowatt hour ?

Description : How many joules is equal to 1 kilowatt hour ?

Last Answer : 1 kilowatt = 1000 joules.

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 

One kilowatt-hour is?

Description : One kilowatt-hour is?  (A) 3.6 mega joules (B) 2.6 mega joules (C) 1.6 mega joules (D) None of the above

Last Answer : One kilowatt-hour is 3.6 mega joules

Which of the following is not the unit of power? (A) kW (kilowatt) (B) hp (horse power) (C) kcal/sec (D) kcal/kg sec

Description : Which of the following is not the unit of power?  (A) kW (kilowatt)  (B) hp (horse power)  (C) kcal/sec  (D) kcal/kg sec 

Last Answer : (D) kcal/kg sec 

Plank's constant has the dimensions of (1) energy (2) linear momentum (3) angular momentum (4) force

Description : Plank's constant has the dimensions of (1) energy (2) linear momentum (3) angular momentum (4) force

Last Answer : (1) energy Explanation: The Planck's constant (h) can be defined as a pro-portionality constant that relates the energy (E) of a photon to the frequency (?) of its associated electro-magnetic ... Planck constant is named after Max Planck, the instigator of quantum theory, who discovered it in 1900.

If two bodies of different masses, initially at rest, are acted upon by the same force for the same time, then the both bodies acquire the same - (1) velocity (2) momentum (3) acceleration (4) kinetic energy

Description : If two bodies of different masses, initially at rest, are acted upon by the same force for the same time, then the both bodies acquire the same - (1) velocity (2) momentum (3) acceleration (4) kinetic energy

Last Answer : (2) momentum Explanation: If two bodies of different masses, initially at rest, are acted upon by the same force for the same time, then the both bodies acquire the same momentum.

If two bodies of different masses, initially at rest, are acted upon by the same force for the same time, then the both bodies acquire the same - (1) velocity (2) momentum (3) acceleration (4) kinetic energy

Description : If two bodies of different masses, initially at rest, are acted upon by the same force for the same time, then the both bodies acquire the same - (1) velocity (2) momentum (3) acceleration (4) kinetic energy

Last Answer : (2) momentum Explanation: If two bodies of different masses, initially at rest, are acted upon by the same force for the same time, then the both bodies acquire the same momentum.

Which of the following pair are vector quantities? w) time and space x) force and momentum y) energy and time z) momentum and mass e) mass

Description : Which of the following pair are vector quantities? w) time and space x) force and momentum y) energy and time z) momentum and mass e) mass

Last Answer : ANSWER: X -- FORCE and MOMENTUM 

Plank’s constant has the dimensions of : (1) energy (2) linear momentum (3) angular momentum (4) force

Description : Plank’s constant has the dimensions of : (1) energy (2) linear momentum (3) angular momentum (4) force

Last Answer : energy

Interaction that causes an object's momentum to change is A. velocity B. acceleration C. power D. force

Description : Interaction that causes an object's momentum to change is A. velocity B. acceleration C. power D. force

Last Answer : force

The GeV is a unit of: w) momentum x) energy y) velocity z) time

Description : The GeV is a unit of: w) momentum x) energy y) velocity z) time

Last Answer : ANSWER: X -- ENERGY

Which of the following have the same unit? (1) Work and power (2) Torque and moment of inertia (3) Work and torque (4) Torque and angular momentum

Description : Which of the following have the same unit? (1) Work and power (2) Torque and moment of inertia (3) Work and torque (4) Torque and angular momentum

Last Answer : (3) Work and torque Explanation: The SI unit of work is the Newton-metre or joule (J). A Newton meter is also the SI unit of torque (also called "moment" or "moment of force").

Which of the following have the same unit ? (1) Work and power (2) Torque and moment of inertia (3) Work and torque (4) Torque and angular momentum

Description : Which of the following have the same unit ? (1) Work and power (2) Torque and moment of inertia (3) Work and torque (4) Torque and angular momentum 

Last Answer : Work and torque

Euler's equation of motion states, that at every point, the (A) Fluid momentum is constant (B) Force per unit mass equals acceleration (C) Rate of mass outflow is equal to the rate of mass inflow (D) None of these

Description : Euler's equation of motion states, that at every point, the (A) Fluid momentum is constant (B) Force per unit mass equals acceleration (C) Rate of mass outflow is equal to the rate of mass inflow (D) None of these

Last Answer : (B) Force per unit mass equals acceleration

Out of the following pairs, which one does not have identical dimension? (1) Moment of inertia and moment of a force (2) Work and Torque (3) Angular momentum and Planck's constant (4) Impulse and Momentum

Description : Out of the following pairs, which one does not have identical dimension? (1) Moment of inertia and moment of a force (2) Work and Torque (3) Angular momentum and Planck's constant (4) Impulse and Momentum

Last Answer : (1) Moment of inertia and moment of a force

What is impulse equal to? (1) Change in momentum (2) Change in force (3) Change in velocity (4) Change in acceleration

Description : What is impulse equal to? (1) Change in momentum (2) Change in force (3) Change in velocity (4) Change in acceleration

Last Answer : (1) Change in momentum Explanation: Impulse is a quantity that describes the effect of a net force acting on an object. The impulsemomentum theorem states that the change in momentum of an object equals the impulse applied to it.

While catching a ball, a player pulls down his hands to lower the - (1) force/cy (2) momentum (3) impulse (4) catching time

Description : While catching a ball, a player pulls down his hands to lower the - (1) force/cy (2) momentum (3) impulse (4) catching time

Last Answer : (3) impulse

Which of the following physical quantities has no dimension? (1) Force (2) Momentum (3) Impulse (4) Angle

Description : Which of the following physical quantities has no dimension? (1) Force (2) Momentum (3) Impulse (4) Angle

Last Answer : (4) Angle Explanation: Quantities having units, but no dimensions: Plane angle, angular displacement, solid angle. These physical quantities possess units but they does not possess dimensional formulas.

Which of the following is a scalar quantity? (1) Velocity (2) Force (3) Angular momentum (4) Electrostatic potential

Description : Which of the following is a scalar quantity? (1) Velocity (2) Force (3) Angular momentum (4) Electrostatic potential

Last Answer : (3) Angular momentum Explanation: The electrostatic potential at any point in an electric field is defined as the work done in bringing a unit positive charge from infinity to that point against the electric force of the field.

If no external force acts on a system of bodies, the total linear momentum of the system of bodies remains constant. Which law states that? (1) Newton’s first law (2) Newton’s Second Law (3) Newton’s Third Law (4) Principle of conservation of linear momentum

Description : If no external force acts on a system of bodies, the total linear momentum of the system of bodies remains constant. Which law states that? (1) Newton’s first law (2) Newton’s Second Law (3) Newton’s Third Law (4) Principle of conservation of linear momentum

Last Answer : (4) Principle of conservation of linear momentum Explanation: Conservation of linear momentum. The principle that the linear momentum of a system has constant magnitude and direction if the system is subjected to no external force. Also called law of conservation of linear momentum

When net torque is zero, will be constant - (1) force (2) angular momentum (3) linear momentum (4) acceleration

Description : When net torque is zero, will be constant - (1) force (2) angular momentum (3) linear momentum (4) acceleration

Last Answer : (2) angular momentum Explanation: Since a torque (rate of change of angular momentum analogous to force) applied over time is equivalent to a change in angular momentum, then if torque is zero, angular momentum is constant.

If no external force acts on a system of bodies, the total linear momentum of the system of bodies remains constant. Which law states this? (1) Newton first law (2) Newton second law (3) Newton third law (4) Principle of conservation of linear momentum

Description : If no external force acts on a system of bodies, the total linear momentum of the system of bodies remains constant. Which law states this? (1) Newton first law (2) Newton second law (3) Newton third law (4) Principle of conservation of linear momentum

Last Answer : (4) Principle of conservation of linear momentum Explanation: Principle of conservation of linear momentum states If no external force acts on a system of bodies, the total linear momentum of the system of bodies remains constant.

Rate of change of momentum is - (1) Area (2) Pressure (3) Force (4) Velocity

Description : Rate of change of momentum is - (1) Area (2) Pressure (3) Force (4) Velocity

Last Answer : (3) Force Explanation: According to Newton’s Second Law of motion, the rate of change of momentum of an object is directly proportional to the resultant force applied and is in the direction of the resultant force.

While catching a ball, a player pulls down his hands to lower the – (1) force (2) momentum (3) impulse (4) catching time

Description : While catching a ball, a player pulls down his hands to lower the – (1) force (2) momentum (3) impulse (4) catching time

Last Answer : (2) momentum Explanation: A cricketer lowers his hands while taking a catch to decrease the rate of momentum. Cricketers increase the time by pulling their hand's backward with the ball while taking a ... stop afterwards. If the truck were lighter, or moving slower, then it would have less momentum.

Which of the following physical quantities changes or tends to change the state of rest or of uniform motion of a body in a straight line? (1) Momentum (2) Mass (3) Force (4) Inertia

Description : Which of the following physical quantities changes or tends to change the state of rest or of uniform motion of a body in a straight line? (1) Momentum (2) Mass (3) Force (4) Inertia

Last Answer : (3) Force Explanation: Force is an agent which changes or tends to change the state of rest or of uniform motion of a body.

If no external force acts on a system of bodies, the total linear momentum of the system of bodies remains constant. Which law states this? (1) Newton first law (2) Newton second law (3) Newton third law (4) Principle of conservation of linear momentum

Description : If no external force acts on a system of bodies, the total linear momentum of the system of bodies remains constant. Which law states this? (1) Newton first law (2) Newton second law (3) Newton third law (4) Principle of conservation of linear momentum

Last Answer : (4) Principle of conservation of linear momentum Explanation: Principle of conservation of linear momentum states if no external force acts on a system of bodies, the total linear momentum of the system of bodies remains constant.