What is active load? Where it is used and why?

What is active load? Where it is used and why?
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1 Answer

Answer :

The active load realized using current source in place of the passive load in the collector arm of differencial amplifier makes it possible to achieve high voltage gain without requiring large power supply voltage.
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Define load regulation.

Description : Define load regulation.

Last Answer : Load regulation is defined as the change in output voltage for a change in load current. It is expressed in millivolts or as a percentage of the output voltage. 

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Most skin conditions related to HIV disease may be helped primarily by a) highly active antiretroviral therapy (HAART). The goals of all HIV-related conditions include improvement of CD4 count and lowering of viral load. Initiation of HAART (highly active antiretroviral therapy) will help improve most skin conditions related to HIV disease. Symptomatic relief will be required until the skin condition improves.

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In power system, if a voltage controlled bus is treated as a load bus then which one of the following limits would be violated? a) Voltage b) Active power c) reactive power d) Phase angle

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The voltage control in electric supply networks in required on account of which of the following reasons ? (a) Adjustment of voltage at consumers premises within statutory limits (b) Control of active and reactive power (c) Adjustment of short period daily and seasonal voltage variations in accordance with variations of load (d) All of the above

Description : The voltage control in electric supply networks in required on account of which of the following reasons ? (a) Adjustment of voltage at consumers premises within statutory limits (b) Control of ... daily and seasonal voltage variations in accordance with variations of load (d) All of the above

Last Answer : (d) All of the above

Draw the circuit diagram for:- i) Measurement of active power in 3-phase load circuit using two wattmeter. ii) Measurement of reactive power in 3-phase load circuit using one wattmeter.

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A current mirror can be used as an active load because_________.

Last Answer : A current mirror can be used as an active load because it has high AC resistance.