Controlled Half-Wave Rectifiers Quiz

Controlled Half-Wave Rectifiers Quiz

1st Grade

10 Qs

quiz-placeholder

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Controlled Half-Wave Rectifiers Quiz

Controlled Half-Wave Rectifiers Quiz

Assessment

Quiz

Other

1st Grade

Practice Problem

Hard

Created by

Norain Zakaria

Used 1+ times

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10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What happens during the negative half cycle of a controlled half-wave rectifier?

SCR is always on

SCR conducts

SCR is forward-biased

SCR is reverse-biased

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the firing angle in a controlled half-wave rectifier?

The angle of the output current

The angle at which SCR starts conducting

The angle of the input voltage

The angle at which SCR stops conducting

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the average output voltage formula for a resistive load?

V_avg = V_m / π

V_avg =( V_m / π) * (1 + cos(α))

V_avg = V_m * (cos(α) - cos(β))

V_avg = V_m / 2

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the effect of an inductive load on a controlled half-wave rectifier?

It decreases the input voltage

It causes the SCR to turn off

It increases the output voltage

It stores energy in the inductor

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the average output voltage for an inductive load?

V_avg = V_m / 2

V_avg = (V_m / π)* (cos(α) - cos(β))

V_avg = (V_m / π) * (1 + cos(α))

V_avg = V_m / π

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What happens when the gate current is applied to the SCR?

SCR turns off

SCR starts conducting

SCR remains off

SCR stops conducting

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the average output voltage of a single-phase half-wave controlled rectifier with a resistive load (R) and an input voltage of 120V (rms)?

  • A. 54V

  • B. 76V

  • C. 84.85V

  • D. 120V

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