Basic Questions for Electrical Engineers

1. What is the difference between npn and pnp transistor?
2. What is a semiconductor diode?
3. What is the difference between n type and p type mosfets?
4. What is the difference in internal circuitry of a diferentiator and integrator i.c?
5. What is the difference between star and delta connections?
6. What is the difference in active and passive components?
7. What are the hysteresis and eddy current losses of a transformer?
8. Which is the preferred switching device for industrial applications, BJT, FET or IGBT?
9. How can we reverse the direction of rotation of a motor?

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