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How are voltmeters connected to a simple series circuit?
Voltmeters are connected to simple series circuits the same way they are connected to any circuit. They are connected in parallel with the portion of the circuit for which you wish to measure the voltage drop.
Why a high input impedance?
A circuit (an amplifier) typically has a high input impedance so that it does not unduly load the input circuit. Any such load could cause distortion, and that is generally not desired.
What condition that refers to any input into a circuit from changes in a system?
Automatic
How many type of electric circuit?
There are basically two types of circuits: parallel and series. In a series circuit, current flows in one continuous straight path. In a parallel circuit, the current has more than one path to follow.AnswerThere are four categories of circuit, not two. These are 'series', 'parallel', 'series-parallel', and 'complex'. A 'complex circuit' describes any circuit not falling into the first three categories.
Why do we use CT in a relay circuit?
CT is used in the relay circuits for protection purposes. As the current and voltage ratings in a power system are very high, it is not possible to measure currents and voltages of that magnitude as they are way too large for any meter of reasonable size and cost. The CT’s are generally standardized at 1 or 5 amperes secondary current. These are very moderate ratings, thus a 5 A ammeter can be used to measure 1000 amperes with the help of a 1000/5 A ratio CT. For this reason the relay circuits are connected with instrument transformers because the relay senses the input quantity before sending the trip signal to the circuit breaker, and these input quantities are measured by the use of instrument transformers.
What is open circuit voltage when load is connected?
As load is conected in circuit , so thre is no open circuit therefore there would not be any open circuit voltage.
What is the difference between linear and nonlinear problems and how do you?
A linear circuit is an electric circuit in which, for a sinusoidal input voltage of frequency f, any output of the circuit (current through any component, voltage across any component, etc.) is also sinusoidal with frequency f. Note that the output need not be in phase with the input.
What is bus bar and how it is connected to the genarator?
The term, 'bus', is derived from the word, 'omnibus', meaning to 'serve all', and that's exactly what a busbar does.A busbar is a length of conductor which offers a common point of connection for several circuits. For three-phase systems, one busbar is required for each of the three lines and (where necessary) for any neutral. A separate busbar is used to interconnect the various earth (ground) connections.In the case of a power station, one or more generators can be connected to the same busbar system, as are the various transformers supplying the circuits leaving the power station. Normally, each input/output circuit is connected to the busbar system, not directly, but through circuit breakers and isolators.
What will happen to a buzzer connected to an open circuit?
If a buzzer is connected to an open circuit, it will not receive any electrical current and will not produce any sound because the circuit is incomplete. In an open circuit, there is a break in the path, so the electric current cannot flow to power the buzzer.
Why ammemeter is attached in series in a circuit?
as the current in a series circuit remains the same so it does not cause any difference if an extra element is connected in between the various elements so an ammeter is always connected in series.
Working of IC 4017?
4017 is a decade counter having 10 output pins with different functions. When a source of pulses is connected to the clock input by unstable circuit of any timer IC applied to the reset and disable input. One of the individual output is high at a time. thanx...... Regards: Muhammad Mohsin Ali Comsians
How is ammeter and voltmeter attached to a circuit?
Ammeters are connected in series with the load under test. This requires the load be disconnected from the source, and the ammeter placed in circuit. Voltmeters are connected in parallel with the load under test. This does not require any circuit changes. Sorry, but WikiAnswers does not support illustrations.
