Other

When current increases what happens to heat?

When current increases what happens to heat?

Heat produced =i^2×R×t ,Heat produced is directly proportional to square of current.So,if current is doubled then heat produced is increased four times the inital value.

How much more heat is produced if the current is doubled?

Heat produced is directly proportional to the square of current. If current I is doubled heat H will be four times.

What happens to the amount of heat generated when current is half?

If the current passing through an electric heater has been halved then the heat produced will also be reduced to one fourth.

What will be the heat energy produced in a resistor when the current increases by four times?

READ ALSO:   What is Operation Unicorn?

Heat becomes 4 times its original value.

How is heat produced in a conductor by an electric current?

When an electric current is passed through a conductor, the conductor becomes hot after some time and produce heat. This happens due to the conversion of some electric energy passing through the conductor into heat energy. This effect of electric current is called heating effect of current.

What happens when current is doubled?

So the resistance will remain constant if current is doubled through doubling the voltage supply. Similarly resistance will have to be halved if voltage is to remain constant, & so on. The resistance of the circuit should be halved to double the current in the circuit.

When the current through a resistance is doubled the Joule heat?

When the current through a resistance is doubled, the joule heat increases by a factor of 4. Two equal resistances are connected in series and then in parallel with the same battery.

What is Joule’s Law in physics?

physics the principle that the heat produced by an electric current is equal to the product of the resistance of the conductor, the square of the current, and the time for which it flows. thermodynamics the principle that at constant temperature the internal energy of an ideal gas is independent of volume.

READ ALSO:   Is having power a good thing?

How does the heat produced in an element change if half of it is removed from the circuit?

Heat generated is I^2R, so, reducing I by half would reduce the heat by 4 times.

How does the heat produced in a given resistor change when the current through it is doubled?

Heat produced is directly proportional to the square of current. If current I is doubled, heat H will be four times.

How will the heat produced in an electric circuit be affected if the resistance in the circuit is doubled for the same current?

How will the heat produced in an electric circuit be affected, if the resistance in the circuit is doubled for the same current? Answer: When an electric current is passed through a conductor, it becomes hot. therefore if the resistance in the circuit is doubled then heat produced will also get doubled.

How does the heating effect of an electric current depend on?

The heating effect of an electric current depends on three factors: 1 The resistance, R of the conductor. A higher resistance produces more heat. 2 The time, t for which current flows. The longer the time the larger the amount of heat produced 3 The amount of current, I. the higher the current the larger the amount of heat generated.

READ ALSO:   Why does my face look wrinkled?

How do you calculate the amount of heat produced by electrical current?

The amount of heat that will be produced when electrical current flows through a conductor is described as. Joules Law: H = I 2 x R x T. where H = heat, I = current in Amps, R= resistance in Ohms, T is duration of current flow in seconds. The T or time factor is necessary when we are dealing with alternating current.

What are the factors that affect the heating effect?

The heating effect depends on the following factor: The time ‘t‘ for which the current flows. The longer the current flows in a conductor more heat is generated. The electrical resistance of the conductor. Higher the resistance, the higher the heat produced. The amount of current.

Why does more resistance mean more heat produced?

More resistance means that more heat is generated Joules Law says that the amount of heat (H) generated when current flows through a wire is the product of the square of the current I2 times the resistance of the wire R to which we can add a factor for time T If we increase the resistance we increase the amount of heat generated.