Free Rectification MCQs with Answers
37 Rectification MCQs from Physics, each with the correct answer and a written explanation of why it is correct. Free and unlimited, with no account needed.
Rectification converts alternating current into unidirectional current using semiconductor diodes. The content includes half wave and full wave rectifiers, bridge circuits, output waveforms, ripple and smoothing with capacitors, with the difference between rectification and voltage regulation kept clear.
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37 questions · page 2 of 2
- A. Option A
- B. Option B
- C. Option C
- D. Option D
Explanation: The correct answer is Option B. A NAND gate produces an output that is false only when all its inputs are true; otherwise, the output is…
Correct answer: Option B- A. Amplifier
- B. Rectifier
- C. Diode
- D. Transistor
Explanation: The device that is used to convert AC to DC is a rectifier. A rectifier corrects or straightens the direction of the current.
Correct answer: Rectifier- A. Rectification
- B. Amplification
- C. Rectifier
- D. Conversion
Explanation: The process of converting AC to DC is called rectification. The device used for rectification is called the rectifier.
Correct answer: Rectification- A. Rectifier
- B. Transistor
- C. Capacitor
- D. Inductor
Explanation: Rectifier is a device that is used to convert AC voltage into DC voltage and is called a rectifier.
Correct answer: Rectifier- A. Amplification
- B. Rectification
- C. Magnification
- D. Resolution
Explanation: A rectifier converts alternating current to direct current and this process of converting AC to DC is known as rectification.
Correct answer: Rectification- A. Diode
- B. Transistor
- C. Capacitor
- D. Inductor
Explanation: A diode is commonly used to convert alternating current (AC) into direct current (DC) in electronic circuits
Correct answer: Diode- A. 1
- B. 2
- C. 3
- D. 4
Explanation: In full-wave rectification, typically, 4 diodes are used. It allows for the conversion of both the positive and negative halves of the AC…
Correct answer: 4- A. half wave rectifier
- B. full wave rectifier
- C. both
- D. none
Explanation: Transistor can be used as a switch for opening and closing of the circuit.
Correct answer: none29. A half wave rectifier is operating from 50 Hz mains. The fundamental frequency of ripple will be _.
- A. 100 Hz
- B. 25 Hz
- C. 200 Hz
- D. 50 Hz
Explanation: The voltage that is obtained in a half wave rectifier has one variation in one cycle of AC voltage.
Correct answer: 50 Hz30. A full-wave rectifier is operating from 50Hz mains. The fundamental frequency of ripple will be?
- A. 100 Hz
- B. 25Hz
- C. 50Hz
- D. 200Hz
Explanation: Full-wave rectification is a type of rectification in which output is obtained for both halves of a.c.
Correct answer: 100 Hz- A. 1.21
- B. 0.5
- C. 0.482
- D. 0.9
Explanation: The ratio of the RMS value of an alternating current component in the rectified output to the average value of rectified output is…
Correct answer: 0.482- A. Larger the peak-to-peak value of ripple voltage
- B. Larger the peak current in the rectifying diode
- C. Longer the time that current pulse flows through the diode
- D. Smaller the voltage across the load
Explanation: The time constant for a capacitor has the value RC, where R is the load resistance and C is the shunt capacitor's capacitance.
Correct answer: Longer the time that current pulse flows through the diode- A. Wheatstone Circuit
- B. Bridge circuit
- C. Filter circuit
- D. Ripple circuit
Explanation: The filter circuit incorporates a capacitor which charges and discharges in order to smooth the circuit.
Correct answer: Filter circuit- A. X_plate
- B. Y_plate
- C. Electron gun
- D. Accelerating electrode
Explanation: Accelerating electrode: This option is correct. The time base sweep circuit is connected to the accelerating electrode, which controls the…
Correct answer: Accelerating electrode- A. Summarizes its output
- B. Tabulates all its input conditions only
- C. Displays all its input/output possible
- D. Is not based on the logic algebra
Explanation: The truth table displays all the input/output possibilities for the logic function.
Correct answer: Displays all its input/output possible- A. NOT gate
- B. AND gate
- C. NAND gate
- D. OR gate
Explanation: A NOT gate, also known as an inverter, has one input and one output. The output of a NOT gate is always the opposite of the input.
Correct answer: NOT gate- A. Rectification
- B. Amplification
- C. Oscillation
- D. Regeneration
Explanation: Rectification is the correct answer because it specifically refers to the conversion of alternating current (AC) into direct current (DC).
Correct answer: Rectification