Power Dissipated Calculator
FAQs
How do you calculate power dissipated?
Power dissipated can be calculated using the formula P = V * I, where P is power (in watts), V is voltage (in volts), and I is current (in amperes).
What is the formula for power dissipated in a circuit?
The formula for power dissipated in a circuit is P = V * I, where P is power (in watts), V is voltage (in volts), and I is current (in amperes).
What is the formula for the power dissipated by the resistor?
The power dissipated by a resistor can be calculated using the formula P = I^2 * R or P = V^2 / R, where P is power (in watts), I is current (in amperes), and R is resistance (in ohms).
What is the total power dissipated?
The total power dissipated in a circuit is the sum of the powers dissipated by all the components in the circuit.
What is power dissipated in physics?
In physics, power dissipated refers to the rate at which energy is converted to heat or other forms of energy within a system, usually due to electrical resistance or friction.
What is an example of power dissipation?
An example of power dissipation is when electrical energy is converted to heat in a resistor, causing the resistor to get hot.
What is power dissipated in the wire?
Power dissipated in a wire refers to the energy converted to heat as electric current flows through the wire due to its electrical resistance.
What is power dissipated in an AC circuit?
In an AC circuit, power dissipated is the average power over one complete cycle of alternating current.
What is the power dissipated in a 4-ohm resistor?
The power dissipated in a 4-ohm resistor can be calculated using the formula P = I^2 * R or P = V^2 / R, where I is the current flowing through the resistor, and V is the voltage across the resistor.
What is the power dissipated in the 8-ohm resistor?
The power dissipated in the 8-ohm resistor can be calculated using the formula P = I^2 * R or P = V^2 / R, where I is the current flowing through the resistor, and V is the voltage across the resistor.
What will be the power dissipated in the 12-ohm resistor?
The power dissipated in the 12-ohm resistor can be calculated using the formula P = I^2 * R or P = V^2 / R, where I is the current flowing through the resistor, and V is the voltage across the resistor.
Is power dissipated power loss?
Yes, power dissipated is often referred to as power loss since it represents the energy lost or converted to other forms, such as heat or sound, during operation.
What is the true power dissipated by?
True power dissipated is the actual power converted to other forms, such as heat, in a circuit or component.
Is power dissipated the same as resistor?
No, power dissipated refers to the energy converted to heat or other forms within a circuit or component due to its resistance. A resistor is a specific component that has a certain resistance value.
What is dissipated energy in GCSE physics?
Dissipated energy in GCSE physics refers to the energy that is lost or converted to other forms, such as heat, during the operation of a system or component.
What does dissipated mean in physics GCSE?
In GCSE physics, dissipated means the energy that is lost or transformed into other forms, often due to resistance or friction.
What is the unit of power dissipated?
The unit of power dissipated is the watt (W), where 1 watt is equal to 1 joule of energy dissipated per second.
What is power dissipation measured in?
Power dissipation is measured in watts (W).
What is the maximum power dissipated in a 10000-ohm resistor?
The maximum power dissipated in a 10000-ohm resistor would depend on the voltage and current applied to the resistor. The power can be calculated using the formula P = V^2 / R or P = I^2 * R, where V is the voltage and I is the current.
How much power is dissipated in a short circuit?
In a short circuit, the power dissipated can be extremely high due to the low resistance. It can lead to dangerous levels of heat and potentially cause damage to the circuit or components.
How do you calculate power?
Power can be calculated using the formula P = V * I, where P is power (in watts), V is voltage (in volts), and I is current (in amperes).
Is dissipated power positive or negative?
Dissipated power is always positive since it represents the energy that is converted to other forms, such as heat, which cannot have a negative value.
How much power is the 5.0-ohm resistor dissipating?
The power dissipated by the 5.0-ohm resistor can be calculated using the formula P = I^2 * R or P = V^2 / R, where I is the current flowing through the resistor, and V is the voltage across the resistor.
How much power is dissipated in the 5-ohm resistor?
The power dissipated in the 5-ohm resistor can be calculated using the formula P = I^2 * R or P = V^2 / R, where I is the current flowing through the resistor, and V is the voltage across the resistor.
How do you calculate the power dissipated when a current of 4mA flows through a 3-ohm resistor?
The power dissipated can be calculated using the formula P = I^2 * R, where I is the current in amperes and R is the resistance in ohms. In this case, P = (0.004 A)^2 * 3 ohms = 0.000048 watts or 48 milliwatts.
What is the power dissipated across a 3-ohm resistor?
The power dissipated across a 3-ohm resistor can be calculated using the formula P = I^2 * R or P = V^2 / R, where I is the current flowing through the resistor, and V is the voltage across the resistor.
What will be the power dissipated in 2 ohms for the circuit shown below?
To determine the power dissipated in the 2-ohm resistor, you need either the current flowing through the resistor or the voltage across the resistor. Once you have one of these values, you can use the formula P = I^2 * R or P = V^2 / R to calculate the power.
What is the voltage drop across the 10-ohm resistor?
To determine the voltage drop across the 10-ohm resistor, you need either the current flowing through the resistor or the power dissipated in the resistor. Once you have one of these values, you can use the formula V = I * R or V = sqrt(P * R) to calculate the voltage drop.
What power is dissipated as 3 amps crosses a 4-ohm resistor?
The power dissipated as 3 amps flows through a 4-ohm resistor can be calculated using the formula P = I^2 * R, where I is the current in amperes and R is the resistance in ohms.
How much power will dissipate by a 2-ohm resistor having 1 ampere current?
The power dissipated by a 2-ohm resistor with 1 ampere current can be calculated using the formula P = I^2 * R, where I is the current in amperes and R is the resistance in ohms.
How much power is dissipated when 2 A current passes through a wire of 10 ohm resistance?
The power dissipated when 2 amperes of current passes through a wire of 10-ohm resistance can be calculated using the formula P = I^2 * R, where I is the current in amperes and R is the resistance in ohms.
What is the maximum power dissipation?
The maximum power dissipation refers to the highest amount of power that can be safely dissipated in a circuit or component without causing damage or exceeding the limits of the component.
Why is power dissipation important?
Power dissipation is important because it helps determine the heat generated and the efficiency of electrical components and circuits. Excessive power dissipation can lead to overheating and reduced performance.
Is power dissipation the same as power consumption?
No, power dissipation refers to the energy lost or converted to other forms, such as heat, within a circuit or component. Power consumption, on the other hand, refers to the total energy used by a device or system.
Which resistor dissipates more power?
A resistor with a higher resistance value and the same current flowing through it will dissipate more power than a resistor with a lower resistance value.
Is voltage drop the same as power dissipated?
No, voltage drop refers to the reduction in voltage across a component due to its resistance, while power dissipated refers to the energy lost or converted to heat within the component.
Is power dissipated in a resistor always positive?
Yes, power dissipated in a resistor is always positive since it represents the energy converted to heat, which cannot have a negative value.
Do resistors save power?
Resistors do not save power; they dissipate power as heat. However, resistors are used in electronic circuits to control current flow and voltage levels, which can be important for overall power efficiency.
Does all energy become dissipated?
In practical situations, not all energy can be conserved or converted to useful work. Some energy is inevitably lost as heat or other forms of dissipation, especially due to resistance and other inefficiencies.
What is an example of dissipation?
An example of dissipation is the conversion of electrical energy into heat energy when current flows through a resistor.
What type of energy is dissipated?
Dissipated energy is typically converted into heat energy or other forms, such as sound or light, depending on the context.
What is an easy word for dissipated?
An easy word for dissipated in this context could be “lost” or “converted.”
How do you calculate energy dissipated at a level in physics?
Energy dissipated at a level in physics can be calculated by multiplying the power dissipated by the time over which the energy is dissipated. The formula is E = P * t, where E is energy (in joules), P is power (in watts), and t is time (in seconds).
What is the simple meaning of dissipated?
The simple meaning of dissipated is to disperse or waste energy, often in the form of heat or other forms.
What is the formula for power dissipated in a battery?
The formula for power dissipated in a battery can be calculated using the formula P = V * I, where P is power (in watts), V is voltage (in volts), and I is current (in amperes).
What is the total power dissipated?
The total power dissipated in a circuit is the sum of the powers dissipated by all the components in the circuit.
How is dissipation measured?
Dissipation is measured in watts (W), which represents the rate of energy loss or conversion to heat.
What average power is dissipated?
The average power dissipated can be calculated by dividing the total energy dissipated by the time over which the dissipation occurs. The formula is P = E / t, where P is the average power (in watts), E is energy (in joules), and t is time (in seconds).
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