Discussions Populaires Dans la Communauté génie électrique

How many diodes in Graetz bridge ?‎

A.2 diodes B.4 diodes C.6 diodes‎

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What is & for what purpose a Bode diagram ?‎

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4

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216

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An electric motor may be protected against short circuits by what means ?‎

Pick up the right choices  A.  Fuse  B.  Contactor C.  Magnetic-only circuit breaker  D.  Thermal sensor or electronic multi-function relay   ‎

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15

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488

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What is the main difference between a single phase transformer and a three phases one ?‎

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2

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4

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184

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2

What do you know about a perfect transformer ?‎

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4

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5

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341

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Speed controller VS Frequency inverter ?‎

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9

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10

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1522

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It doesn't belong to the transistor family ?‎

1. NPN  2. FET 3. MOSFET 4. Capacitor 5. JIT‎

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10

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11

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235

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Rôle d'un capteur de position?‎

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0

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120

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A voltage transformer transforms the frequecy of the power grid ? True or false ? Explain‎

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11

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264

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In the power electronic field , what are an IGBT & a MOSFET ?‎

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1

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