Questions

Multiple-choice questions you can practise one by one. Open a question, tap an answer and see at once whether it is right. For a random set, try Quick practice.

30 questions

• Which instrument is commonly used to observe rectifier output waveforms in a lab?

  Industrial Electronics & Control of Drives › Unit 2: Controlled Rectifiers · Easy

• A single-phase bridge rectifier has how many bridge arms?

  Industrial Electronics & Control of Drives › Unit 2: Controlled Rectifiers · Easy

• A single-phase half-wave controlled rectifier typically uses how many SCRs?

  Industrial Electronics & Control of Drives › Unit 2: Controlled Rectifiers · Easy

• What is the purpose of a freewheeling diode with an inductive load?

  Industrial Electronics & Control of Drives › Unit 2: Controlled Rectifiers · Easy

• Which load is represented by R in a rectifier circuit?

  Industrial Electronics & Control of Drives › Unit 2: Controlled Rectifiers · Easy

• A controlled rectifier converts AC into:

  Industrial Electronics & Control of Drives › Unit 2: Controlled Rectifiers · Easy

• Which term describes the angle at which an SCR is triggered in an AC cycle?

  Industrial Electronics & Control of Drives › Unit 2: Controlled Rectifiers · Easy

• For an ideal single-phase half-wave SCR rectifier with a resistive load and a sinusoidal source, conduction occurs over which interval in each positive half-cycle?

  Industrial Electronics & Control of Drives › Unit 2: Controlled Rectifiers · Hard

• In a single-phase fully controlled bridge rectifier, the controlled switches are typically:

  Industrial Electronics & Control of Drives › Unit 2: Controlled Rectifiers · Medium

• What is the main purpose of a freewheeling diode in an RL-load controlled rectifier?

  Industrial Electronics & Control of Drives › Unit 2: Controlled Rectifiers · Medium