Half Wave Rectifier

Q.

Are diodes AC or DC?

Q. The average value of output direct current in a half wave rectifier is

1. $\frac{I_0}{\pi }$
2. $\frac{I_0}{2}$
3. $\frac{\pi I_0}{2}$
4. $\frac{2I_0}{\pi }$

Q.

What is use of diode?

Q.

Zener diode is widely used in

Q.

What does a diode do?

Q. A p-n junction (D) shown in the figure can act as a rectifier. An alternating current source (V) is connected in the circuit. The current (I) in the resistor (R) can be shown by

1. a
2. b
3. c
4. d

Q. Paragraph for below question

नीचे दिए गए प्रश्न के लिए अनुच्छेद

For the shown circuit, answer the following questions.

दर्शाये परिपथ के लिए, निम्नलिखित प्रश्नों के उत्तर दीजिए।


Q. Phase difference between current I and source voltage is

प्रश्न - धारा I तथा स्रोत वोल्टता के मध्य कलान्तर है

1. 45°
2. 60°
3. 90°
4. 0°

Q.

What is the difference between diode and transistor?

Q. A sinusoidal voltage of peak value 200 volt is connected to a diode and resistor R in the circuit figure, so that halfwave rectification occurs. If the forward resistance of the diode is negligible compared to R, the RMS voltage (in volt) across R is approximately

1. 200
2. 100
3. $\frac{200}{\sqrt{2}}$
4. 280

Q. A sinusoidal voltage of peak value 200 volt is connected to a diode and resistor R in the circuit figure, so that halfwave rectification occurs. If the forward resistance of the diode is negligible compared to R, the RMS voltage (in volt) across R is approximately

1. 200
2. 100
3. $\frac{200}{\sqrt{2}}$
4. 280

Q.

A pn junction (D) shown in the figure can act as a rectifier. An alternating current source (V) is connected in the circuit.

The current (I) in the resistor R can be shown by

1. 

2. 

3. 

4. 

Q. A sinusoidal voltage of peak value $200\text{volt}$ is connected to a diode and resistor $R$ in the circuit shown so that half wave rectification occurs. If the forward resistance of the diode is negligible compared to $R$ then rms voltage (in volt) across $R$ is approximately -

1. $200$
2. $100$
3. $\frac{200}{\sqrt{2}}$
4. $280$

Q. In the half wave rectifier circuit operating from 50 Hz mains frequency, the fundamental frequency in the ripple would be

1. 25 Hz
2. 50 Hz
3. 70.7 Hz
4. 100 Hz

Q.

A sinusoidal voltage of peak value 200 volt is connected to a diode and resistor R in the circuit shown so that half wave rectification occurs. If the forward resistance of the diode is negligible compared to R the rms voltage (in volt) across R is approximately

1. 200

2. 100

3. $\frac{200}{\surd 2}$

4. 280