Circuit Sparks Smart Electrical Tutor

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CIRCUIT SPARKS Smart Electrical Tutor Ask, calculate and learn electrical engineering directly inside your browser. Free • No Login • No API • No Subscription Explore Electrical Engineering Ohm's Law Capacitor Transformer 3-Phase Power Power Factor Motor Protection Earthing CIRCUIT SPARKS TUTOR Hello! I am a free browser-based electrical engineering tutor. You can ask questions such as: • What is power factor? • Explain capacitor charging. • Difference between kW and kVA. • Why is a transformer rated in kVA? • Calculate current for 12 V and 6 ohm. • Calculate three-phase power for 415 V, 10 A and PF 0.8. No internet AI service or API key is required. ...
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Circuit Sparks – Power City Rescue

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Circuit Sparks - Power City Rescue

Keep the city alive by balancing electricity generation with changing demand. Watch the entire city respond to your choices.
8 kW
City Demand
0 kW
Generation
0
Energy Score
Mission: produce enough electricity to meet the city's demand.
★ ★ ★

City Powered Successfully!

Excellent energy balancing. The lights, transport and city systems are running.
Circuit Sparks Smart Energy Game
© Amogha A K. All Rights Reserved.

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DARLINGTON TRANSISTOR

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  A Darlington transistor circuit is a combination of two bipolar transistors connected in such a way as to provide a high current gain. Advantages: High current gain High input impedance High voltage amplification Drawbacks: High voltage drop High power dissipation High thermal resistance Applications: Power amplification Motor control High voltage switching Challenges: Heat dissipation Stability of the circuit Numerical: High current gain: typically 1000 or more Formula: Common emitter current gain (beta) of Darlington transistor circuit = β1 * β2, where β1 and β2 are the current gains of the individual transistors. Derivation: Darlington transistor circuit is derived from the basic bipolar transistor configuration. Frequency range: The frequency range of Darlington transistor circuit depends on the individual transistors used and can range from a few Hz to several MHz. Year of discovery: Darlington transistor was invented by Sidney Darlington in 1953. Waveform: The waveform of D...
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