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Is voltage drop across each device the same in household circuits?
Wiki User
∙ 14y ago
No, even though these are parallel circuits, the voltage drop across each device is not the same in house hold circuits, or anywhere, for that matter. Different devices pull different currents. A toaster, for instance, pulls many times what a light bulb pulls. Since wires do not have truly zero resistance, those differing currents result in different voltage drops across the wires that lead to the devices. That small voltage drop in the wires results in a different voltage drop across each device, even though the device/wire is connected to the same voltage source.
Wiki User
∙ 14y ago
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Explain the advantages and disadvantages of connecting resistors in series in terms of currents and voltages?
For an electrical device, such as a lamp for example, to operate at its rated power, it must be supplied with its rated voltage. If several such devices are to be connected to the same circuit, the only way to achieve this requirement is to connect the devices in parallel (because the same voltage appears across each branch of a parallel circuit). Furthermore, with parallel connections, if one device should fail (or simply get switched off), all the other devices will continue to operate normally. These are the two reasons why most practical circuits are parallel circuits.Series circuits are less common but can be used for some lighting circuits (e.g. Christmas decorations) in which case the supply voltage is distributed equally across each of the lamps, which then have appropriately-rated voltages. For example, you may have twenty-four, 10-V lamps, connected in series across a 240-V supply.
Advantages of current transformer?
A CT allows:heavy currents to be measured using conventional ammeters, andelectrically-isolates the ammeters from high-voltage primary circuits.
What is FET?
FET is abbreviation of Field Effect Transistor. This is a transistor in which current is controlled by voltage only and no current is drawn. It is a high input impedence device and is used in computers, telecommunication and control circuits. This transistor is better in certain parameters as compared to BJT, that is Bipolar Junction Transistor.
Transistor is a linear or non linear circuit element?
it is not a passive device .y because it is used to amplify the voltage and current .so as according to the definition of active device is the device which is used to amplify the current r voltage .hence transistor is a active device.
Why you use capacitors in integrators?
Capacitor is basically voltage holding device. So it can be used for wave shaping Circuits. Integrator is nothing but voltage integrator with respect to time. As per capacitance different voltages at sequential instants are integrated with respect to time.
What is the voltage across a device that draws 2A and dissipates 12w?
The voltage across a DC device that draws 2A and consumes 12Wh/h is 12/2 or six volts.
How do you comfirm thyristor condition?
A thyristor if conducting will have a very small voltage drop across if not then the rail voltage will be evident across the device
Is line voltage understood as any voltage?
Line voltage is understood as the voltage that the device or appliance needs to operate on. It is also referred to as the devices working voltage. Once the proper line voltage or working voltage is applied to the device it may be transformed to different voltages for different internal component circuits.
What is needed to calculate the voltage across a device?
you calculate a voltage circuit by taking it apart and findng the circuit and calculate the voltage and then resible it.
What is the use of offset null pin in integrated circuits?
Pin used to eliminate the effect of internal component voltage on the output of the device.
Is zener diode a voltage amplifier or currentlimitig circuit or osilator circuit?
The zener diode is neither a voltage amplifier nor a current limiting device but can be used in oscillator circuits to supply a constant output voltage.
Can we use transformer as a generator?
No. Transformer essentially can step up or step down voltage or provide same voltage across the secondary side. It can not generate voltage on its own. Generator is essentially a rotating device. Transformer is a static device.
Explain the advantages and disadvantages of connecting resistors in series in terms of currents and voltages?
For an electrical device, such as a lamp for example, to operate at its rated power, it must be supplied with its rated voltage. If several such devices are to be connected to the same circuit, the only way to achieve this requirement is to connect the devices in parallel (because the same voltage appears across each branch of a parallel circuit). Furthermore, with parallel connections, if one device should fail (or simply get switched off), all the other devices will continue to operate normally. These are the two reasons why most practical circuits are parallel circuits.Series circuits are less common but can be used for some lighting circuits (e.g. Christmas decorations) in which case the supply voltage is distributed equally across each of the lamps, which then have appropriately-rated voltages. For example, you may have twenty-four, 10-V lamps, connected in series across a 240-V supply.
Why is it possible to measure an electric potential across the terminals of a dry cell?
Batteries are a voltage storage device that hold a voltage potential until used. By using a volt meter you can find the stored voltage by placing the leads of the meter across the battery's positive and negative terminals.
Advantages of current transformer?
A CT allows:heavy currents to be measured using conventional ammeters, andelectrically-isolates the ammeters from high-voltage primary circuits.
What is FET?
FET is abbreviation of Field Effect Transistor. This is a transistor in which current is controlled by voltage only and no current is drawn. It is a high input impedence device and is used in computers, telecommunication and control circuits. This transistor is better in certain parameters as compared to BJT, that is Bipolar Junction Transistor.
What type of electrical circuit is used least in industry and the home?
The most common of all circuits used in industry and around the home is the parallel circuit. In industry all MCC controls are in parallel with the supply distribution and around the home all lighting circuits are in parallel with the supply distribution panel.
