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Which of the following condition exist in a circuit of pure resistance?
Wiki User
∙ 11y ago
in a circuit of pure Resistance (r), IE. voltage source (12 v DC battery) and pure resistance (a light bulb). the voltage (v) and current (i) will be in phase. by adding capacitors and/or inductors to the circuit V and I will be pulled out of phase.
Wiki User
∙ 12y ago
Wiki User
∙ 11y agothe voltage and current are 120 degree out of phase
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What is parasitic resistance?
Parasitic resistance is resistance that you encounter in a circuit board or integrated circuit but not included in the original design -- an undesirable, unintended consequence of putting a concept into manufacturing. Since parasitic resistance does exist, you need to estimate its value and make sure the design still functions as intended. An example of parasitic resistance is the resistance of the traces in a circuit board or metal interconnects in an IC, the purpose of which is to connect components electrically according to the circuit diagram, but these connecting structures are not ideal. These connecting structures most likely also add parasitic capacitance and inductance to your design and, if substantial, should be included in your design (back-annotation) accordingly.
What term is a measurement of resistance in an electrical circuit?
The technical definition is "Electrical resistance is a ratio of the degree to which an object opposes an electric current through it, measured in ohms." In simplfied terms, electrical resistance is broadly equivalent to friction in a mechanical system. If you applied a voltage to a circuit with zero resistance then you would get an infinite current. In reality all circuits have some resistance which limits the current. We can predict the current in a given circuit using Ohms law: V = I x R Where: V is Voltage (measured in Volts) I is current (measured in Amps) R is resistance (measured in Ohms)
Can current flow in a circuit without potential difference?
A current cannot exist without voltage but voltage can exist without current.Simple example is battery. A battery has votlage even though it is not connected elsewhere.
What is a difference between ground fault and earth fault?
They mean the same thing, a current to ground/earth that shouldn't exist in the circuit.
Define zero ohm resistor.?
A zero-ohm resistor does not exist, so we are talking about an ideal resistor. An ideal resistor is needed for description in a circuit, where we lump all wire/parasitic resistances into discrete resistors, but the wire joining two discrete resistors is considered to have no resistance. My definition: a zero-ohm resistor is an ideal resistor that does not consume energy when a current exists in the resistor. Alternatively, a zero-ohm resistor is an ideal resistor that cannot sustain any potential drop when a current is on. Thirdly, a zero-ohm resistor is an ideal resistor that will conduct an infinite current when a voltage is applied across it.
Why doesn't LC circuit exist?
even though a resistance is not connected in a circuit, it would practically have small resistance due to its components.so practically a LC circuit dosent exist..only a RLC circuit exists
What is infinity resistance?
That's an "open circuit". No current flows no matter how high the voltage gets. It doesn't exist in nature.
What are three important characteristics of electric circuit?
Voltage, frequency, current, impedance, and what the circuit is supposed to do are all important.
What is purpose of a resistance in a circuit?
It doesn't necessarily have any purpose. It is a natural feature of any circuit, and caused by the length, cross-sectional area, and resistivity of the conducting material. In other words, it exists, whether we want it or not! Ideally, it would be a good thing if resistance didn't exist in supply cables, as it causes a voltage drop along the cable, and is responsible for energy losses. 'Resistors', on the other hand, are circuit components having specific values of resistance, which can be added to a circuit in order to modify the natural resistance of that circuit.
Which of the following is a condition that must exist before the Hardy-Weinberg principle is met?
no gene flow
What is parasitic resistance?
Parasitic resistance is resistance that you encounter in a circuit board or integrated circuit but not included in the original design -- an undesirable, unintended consequence of putting a concept into manufacturing. Since parasitic resistance does exist, you need to estimate its value and make sure the design still functions as intended. An example of parasitic resistance is the resistance of the traces in a circuit board or metal interconnects in an IC, the purpose of which is to connect components electrically according to the circuit diagram, but these connecting structures are not ideal. These connecting structures most likely also add parasitic capacitance and inductance to your design and, if substantial, should be included in your design (back-annotation) accordingly.
What is the ideal voltmeter high or low?
Ideal Voltmeter has an infinite resistance so it won't draw current from the circuit, but in real life ideal voltmeter doesn't exist.
What is the power of a ciruit with 10 ohmns 10 volts and 2 amps?
Well, first of all, if the resistance of the circuit is 10 ohms and you connect 10 volts to it,then the current is 1 Amp, not 2 . So either there's something else in your circuit thatyou're not telling us about, or else the circuit simply doesn't exist.-- If you connect some voltage to some resistance, then the resistance heats up anddissipates (voltage)2/resistancewatts of power, and the power supply has to supply it.-- If there is some current flowing through some resistance, then the resistance heats up anddissipates (current)2 x (resistance)watts of power, and the power supply has to supply it.-- If there's a circuit with some voltage connected to it and some current flowingthrough it, then the resistance of the circuit is (voltage)/(current) ohms, the partsin the circuit heat up and dissipate (voltage) x (current) watts of power, andthe power supply has to supply it.There's no such thing as "the power of a circuit". The power supply supplies thecircuit with some amount of power, the circuit either dissipates or radiates someamount of power, and the two amounts are equal.
Does air resistance exist in water?
its called water resistance in water
Which condition must exist between two points in a conductor in order to maintain a flow of charge?
a closed circuit
How does current exist wen voltage is zero in short circuit?
According to Ohm's Law, V = I*R, where V = voltage (volts), I = current (amps), and R = resistance (ohms). Mathematically speaking, when you have a short circuit, resistance is said to be zero, as well as voltage is equal to zero, therefore zero divided by zero is infinity. In a few words, you can't have infinite current but that means current exists in a fairly large quantity in a short circuit which is why equipment burns out with short circuit.
What type of resistance would exist for electrical timers?
none the resistance is in the wire not the timer
