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What happens to the current in a wire as its diameter decreases?
As the diameter of a wire decreases, the current-carrying capacity also decreases due to increased resistance. This can lead to overheating of the wire and potential failure if the current exceeds the wire's new lower capacity. It is important to properly size wires to handle the intended current to prevent safety hazards.
If conductor is cut half of its length will it affect its conductance?
Cutting a conductor in half will not affect its conductance, as conductance depends on the material and its properties, not its length. Conductance is determined by the material's ability to allow the flow of electric current.
What is the conductance in semi conductors and conductors?
In semiconductors, conductance is lower compared to conductors due to the presence of energy band gaps that restrict the movement of charge carriers. Conductors have high conductance because they have a high density of free electrons that can move easily and carry electric current.
Using ohm's law express conductance in terms of current and voltage?
Conductance (G) is the reciprocal of resistance (R), expressed as G = 1/R. According to Ohm's Law, resistance is equal to voltage (V) divided by current (I), so R = V/I. Therefore, conductance can be expressed as G = I/V.
When a capacitor is connected to a circuit, what happens to the current flow through the capacitor?
When a capacitor is connected to a circuit, the current flow through the capacitor initially increases and then decreases as the capacitor charges up.
What happens to the current as the resistance decreases?
it increases
What happens when you decrease the current in an electromagnet?
When you decrease the current in an electromagnet, the magnetic field decreases.
Why equivalent conductance increase with dilution whereas specific conductance decrease?
the specific conductance of the electrolyte falls because of the no of current carring particles i.e. ions present per centimetercube of the soltion becomes less and less on dilution how ever increase in eqi bacause it is the product of specific conductance and rthe volume v of the sol contain 1 gm of eq electrolyte or one mole of the elecrtrolute that's why .............................................
What happens in a circuit when the resistance gets greater?
Flow of current decreases proportionately.
What happens when a part of a parallel circuit is disconnected?
current decreases and resistance increases
Will you get a electric shock when the negative terminal of the dc power supply is grounded and the positive terminal is held by us?
Only if we are also in contact, directly or indirectly, with ground. By ohm's law, current is voltage divided by resistance. Conductance is the inverse of resistance, so current is voltage times conductance. No conductance - no current.
What happens to the current in a circuit if the resistance is increase?
If resistance is increased, current decreases. Ohm's Law: current equals voltage divided by resistance.
What happens to the current in the circuit if the resistance is increased?
If resistance is increased, current decreases. Ohm's Law: current equals voltage divided by resistance.
Why leakage conductance is neglected in overhead lines?
The shunt conductance is due to leakage currents flowing across insulators and air. As leakage current is considerably small compared to nominal current, it is usually neglected, and therefore, shunt conductance is normally not considered for the transmission line modeling.
Is the change in resistance and conductance inversely linear?
Yes, the change in resistance and conductance is inversely linear. Resistance (R) and conductance (G) are related by the equation ( G = \frac{1}{R} ). As resistance increases, conductance decreases proportionally, and vice versa, demonstrating their inverse relationship. This relationship holds true as long as the material and temperature remain constant.
What happens to the current in a wire as its diameter decreases?
As the diameter of a wire decreases, the current-carrying capacity also decreases due to increased resistance. This can lead to overheating of the wire and potential failure if the current exceeds the wire's new lower capacity. It is important to properly size wires to handle the intended current to prevent safety hazards.
The si unit of conductance is?
The SI unit of conductance is the siemens (S), named after the German inventor and scientist Werner von Siemens. Conductance is the reciprocal of resistance and is a measure of how easily an electrical current can flow through a material.
