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A unidirectional current controller device is a type of electrical on/off switch. In order for an item to work that is plugged into a particular outlet, the switch must be in the on position. It is like having lamps plugged into outlets that are controlled by only one switch.
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Why Silicon Controlled Rectifier is called current controlled device?
Because it is controlled by the gate current
Why ujt called current controlled negative resistance device?
The On/OFF action in UJT is controlled by emitter current
What do you mean by a current controlled device?
It is modeled as a 2-port "black box", where the input terminals accept a current (and are modeled by 'zero' resistance to that current), and the output is a function of the input current. the output may be a voltage or current (or other varying physical parameter, such as resistance). A bipolar transistor is well modeled as a current controlled device. The collector (output) current is a function of the base current: Ic = Beta * Ib. The hybrid-pi model changes that from a current controlled device to a voltage controlled device: Ic = F(Vbe), but the BJT transistor is still basically a current controlled device.
Why FET called current controlled device?
BJT is a current controlled device because its output current is dependent upon the current in the base while for FET it is controlled by the voltage at the gate terminal of the transistor. BJT is a current controlled device because its base current is not zero while for a FET the gate current is zero
What is designed to use a small current to control a large current?
A silicon controlled rectifier falls into this category.
What is the difference between independent and dependent source?
Independent SourcesIndependent sources produce current/voltage at a particular rate that is dependent only on time. These sources may output a constant current/voltage, or they may output current/voltage that varies with time.Dependent SourcesDependent sources are current or voltage sources whose output value is based on time or another value from the circuit. A dependent source may be based on the voltage over a resistor for example, or even the current flowing through a given wire. The following sources are possible:Current-controlled current sourceCurrent-controlled voltage sourceVoltage-controlled current sourceVoltage-controlled voltage sourceDependent sources are useful for modelling transistors or vacuum tubes.
Is scr current controlled device?
yes it is current controlled
Why Silicon Controlled Rectifier is called current controlled device?
Because it is controlled by the gate current
What is the Difference between voltage controlled device and current controlled device?
The difference between a current control device and voltage controlled device is that for current controlled device, the current is constant and the voltage is variable while for a voltage controlled device, the voltage is constant and the current is variable.
How is electric current controlled?
it is controlled by butts
What is the difference between a switching transistor and an ordinary transistor?
In the switching transistor the output current is controlled by the (current) and this is also called current controlled current device (CCCD). But in ordinary switch we controlled output current physically...
Why ujt called current controlled negative resistance device?
The On/OFF action in UJT is controlled by emitter current
What is different between dependent and independent dc source?
A dependent DC source is a circuit element whose output voltage or current depends on another voltage or current in the circuit, while an independent DC source provides a constant voltage or current regardless of other circuit elements. Independent sources can be either voltage sources or current sources, and they maintain their specified output without any influence from the circuit conditions. In contrast, dependent sources are typically used in controlled circuits and are represented by a specific relationship to another variable in the system.
Why transistors are called transistors?
Previous answer "TRANSISTORS are current controlled voltage soruce" Nup, current-controlled current controller. Named as a contraction of TRANSference resISTOR.
What do you mean by a current controlled device?
It is modeled as a 2-port "black box", where the input terminals accept a current (and are modeled by 'zero' resistance to that current), and the output is a function of the input current. the output may be a voltage or current (or other varying physical parameter, such as resistance). A bipolar transistor is well modeled as a current controlled device. The collector (output) current is a function of the base current: Ic = Beta * Ib. The hybrid-pi model changes that from a current controlled device to a voltage controlled device: Ic = F(Vbe), but the BJT transistor is still basically a current controlled device.
What can current electricity be controlled by?
a switch
What is the corresponding statement for current sources?
The corresponding statement for current sources is that they provide a constant current to a circuit, regardless of the voltage across them. Unlike voltage sources that maintain a fixed voltage, current sources adjust their voltage output to ensure that the specified current flows through the connected load. In ideal conditions, a current source can deliver the same current even if the load resistance changes. However, real current sources have limitations and may not maintain the current under all conditions.
