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Analog-designs Questions Set 108:

Quiz Mode

Calculate the thermal voltage when the temperature is 25°C.

0.09V

0.0257V

0.090V

0.57V

Solution:

For a diode, at 10mA DC resistance is 70Ω. The voltage corresponding to 10mA will be

0.1 V

0.3 V

0.5 V

0.7 V

Solution:

In a center tapped full wave rectifier, the input sine wave is 20sin500 π t. The average output voltage is

1.73V

2.73V

3.73V

12.73V

Solution:

In a half wave rectifier, the input sine wave is 200sin100 π t Volts. The average output voltage is

3.6619V

6.6619V

63.6619V

36.6619V

Solution:

If the temperature increases 10°C, the ratio of final reverse saturation current to initial reverse saturation current is

1:2

2:3

Solution:

Using the ideal diode model of a silicon diode and taking E=10 V and R=1kΩ, what is the value of diode current at operating point?

20mA

10mA

5mA

1mA

Solution:

A signal x(t) = 7cos(2π300t) is applied to a half-wave rectifier. What is the output DC voltage if the load resistance is 500 Ω?

4.456 V

4.6 V

456 V

4456 V

Solution:

Capacitance per unit area at no reverse bias is 2 pF/cm². For a step graded diode of area 5cm², what is net capacitance at 99 V reverse bias voltage?

10pF

1pF

20pF

2pF

Solution:

Calculate the forward bias current of a Si diode when forward bias voltage of 0.4V is applied, the reverse saturation current is1.17×10^-9A and the thermal voltage is 25.2mV.

9.156mA

9.156A

156mA

156A

Solution:

For a diode the transition capacitance was 15pF. The diode is replaced with another diode of same material with twice cross sectional area. Terminal voltage remains unchanged. The capacitance of new diode is

30pF

15pF

7.5pF

NONE

Analog-designs Questions Set 108:

Calculate the thermal voltage when the temperature is 25°C.

Solution:

For a diode, at 10mA DC resistance is 70Ω. The voltage corresponding to 10mA will be

Solution:

In a center tapped full wave rectifier, the input sine wave is 20sin500 π t. The average output voltage is

Solution:

In a half wave rectifier, the input sine wave is 200sin100 π t Volts. The average output voltage is

Solution:

If the temperature increases 10°C, the ratio of final reverse saturation current to initial reverse saturation current is

Solution:

Using the ideal diode model of a silicon diode and taking E=10 V and R=1kΩ, what is the value of diode current at operating point?

Solution:

A signal x(t) = 7cos(2π300t) is applied to a half-wave rectifier. What is the output DC voltage if the load resistance is 500 Ω?

Solution:

Capacitance per unit area at no reverse bias is 2 pF/cm². For a step graded diode of area 5cm², what is net capacitance at 99 V reverse bias voltage?

Solution:

Calculate the forward bias current of a Si diode when forward bias voltage of 0.4V is applied, the reverse saturation current is1.17×10^-9A and the thermal voltage is 25.2mV.

Solution:

For a diode the transition capacitance was 15pF. The diode is replaced with another diode of same material with twice cross sectional area. Terminal voltage remains unchanged. The capacitance of new diode is

Solution:

Related Question Sets:

Related Topics:

Analog-designs Questions Set 108:

Calculate the thermal voltage when the temperature is 25°C.

Solution:

For a diode, at 10mA DC resistance is 70Ω. The voltage corresponding to 10mA will be

Solution:

In a center tapped full wave rectifier, the input sine wave is 20sin500 π t. The average output voltage is

Solution:

In a half wave rectifier, the input sine wave is 200sin100 π t Volts. The average output voltage is

Solution:

If the temperature increases 10°C, the ratio of final reverse saturation current to initial reverse saturation current is

Solution:

Using the ideal diode model of a silicon diode and taking E=10 V and R=1kΩ, what is the value of diode current at operating point?

Solution:

A signal x(t) = 7cos(2π300t) is applied to a half-wave rectifier. What is the output DC voltage if the load resistance is 500 Ω?

Solution:

Capacitance per unit area at no reverse bias is 2 pF/cm2. For a step graded diode of area 5cm2, what is net capacitance at 99 V reverse bias voltage?

Solution:

Calculate the forward bias current of a Si diode when forward bias voltage of 0.4V is applied, the reverse saturation current is1.17×10-9A and the thermal voltage is 25.2mV.

Solution:

For a diode the transition capacitance was 15pF. The diode is replaced with another diode of same material with twice cross sectional area. Terminal voltage remains unchanged. The capacitance of new diode is

Solution:

Related Question Sets:

Related Topics:

Capacitance per unit area at no reverse bias is 2 pF/cm². For a step graded diode of area 5cm², what is net capacitance at 99 V reverse bias voltage?

Calculate the forward bias current of a Si diode when forward bias voltage of 0.4V is applied, the reverse saturation current is1.17×10^-9A and the thermal voltage is 25.2mV.