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What is the ratio of the energy delivered by a system to the energy supplied for its operation?
The ratio of the energy delivered by a system to the energy supplied for its operation is known as energy efficiency. It is calculated by dividing the useful energy output by the total energy input and is usually expressed as a percentage. A higher energy efficiency ratio indicates a more efficient system.
Why kvl is a restatement of the law of the conservation of energy?
Kirchhoff's Voltage Law (KVL) is a restatement of the law of conservation of energy because it states that the sum of voltages around any closed loop in an electrical circuit must be zero. This is consistent with the principle of energy conservation, as the total energy supplied by the voltage sources must equal the total energy dissipated by the components in the circuit.
What is the total heat energy supplied in isobaric process?
An isobaric process is one occurring at constant pressure (we are talking about gases). So the specific heat to use is Cp, the specific heat of the gas at constant pressure. To get the total heat energy you obviously need to also know the quantity of the gas involved, and the change in temperature.
What do you need to know to calculate the efficiency of a machine?
To calculate the efficiency of a machine, you need to know the amount of useful work output produced by the machine and the amount of total energy input supplied to the machine. Efficiency is calculated by dividing the useful work output by the total energy input and multiplying by 100 to express it as a percentage.
Explain how the law of conservation of energy might apply to an energy conversion that you observe in your daily life?
When I boil water to make tea, the electrical energy supplied to the kettle is converted to heat energy, raising the temperature of the water. The law of conservation of energy states that energy cannot be created or destroyed, so in this case, the total energy remains constant even though it changes form from electrical to heat energy.
How can you calculate the efficiency of an appliance in terms of power?
vague question. Efficiency in terms of energy = useful energy/total energy x 100 vague question. Efficiency in terms of energy = useful energy/total energy x 100
What is the ratio of the energy delivered by a system to the energy supplied for its operation?
The ratio of the energy delivered by a system to the energy supplied for its operation is known as energy efficiency. It is calculated by dividing the useful energy output by the total energy input and is usually expressed as a percentage. A higher energy efficiency ratio indicates a more efficient system.
What is the ratio of the energy a machine delivers to the energy supplied to it?
efficiencyThe ratio of useful energy to total input energy is called efficiency. It refers to the percentage of the work input that is converted to work output.
The potential difference supplied by the battery is 4.5 VCalculate the total energy transferred in 300s?
energy transferred = charge x potential difference.
What is the US percentage of total body energy supplied by carbohydrates for a normal adult?
The average US diet consists 45% of carbohydrate calories.
If a water heater that uses 49kw of power and runs for 8 hours what is the total amount of energy used?
The total energy used by the water heater can be calculated by multiplying the power (49 kW) by the time it runs (8 hours), giving 392 kWh (kilowatt-hours) of energy used.
Why kvl is a restatement of the law of the conservation of energy?
Kirchhoff's Voltage Law (KVL) is a restatement of the law of conservation of energy because it states that the sum of voltages around any closed loop in an electrical circuit must be zero. This is consistent with the principle of energy conservation, as the total energy supplied by the voltage sources must equal the total energy dissipated by the components in the circuit.
What is the total heat energy supplied in isobaric process?
An isobaric process is one occurring at constant pressure (we are talking about gases). So the specific heat to use is Cp, the specific heat of the gas at constant pressure. To get the total heat energy you obviously need to also know the quantity of the gas involved, and the change in temperature.
What is the relationship between price and the total quantity supplied by all firms in the market?
The relationship between price and the total quantity supplied by all firms in the market is known as the law of supply. According to this law, as the price of a good or service increases, the quantity supplied by firms also increases, and vice versa. This means that there is a direct relationship between price and the total quantity supplied in the market.
Diagram of IE plus SE equals PE?
The diagram of IE plus SE equals PE represents the relationship between kinetic energy (KE), potential energy (PE), and the total mechanical energy (E) of an object. In this diagram, IE represents the initial energy, SE represents the additional energy supplied, and PE represents the potential energy gained. The total mechanical energy of the object is the sum of the initial energy and the additional energy, which can be converted into potential energy.
What do you need to know to calculate the efficiency of a machine?
To calculate the efficiency of a machine, you need to know the amount of useful work output produced by the machine and the amount of total energy input supplied to the machine. Efficiency is calculated by dividing the useful work output by the total energy input and multiplying by 100 to express it as a percentage.
Why is the total power equals the sum of the individual values of power in a series circuit or a parallel circuit is used?
The total power equals the sum of the individual powers because power is the rate at which energy is supplied. Whether you have a series or parallel circuit, the total power comes from the power source.
