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Analog-designs Questions Set 3:

Quiz Mode

Determine the thermal voltage at 60° C

28.4mV

28.5mV

28.6mV

28.7mV

Solution:

For a current amplifier, the input resistance with feedback (R_if) is:

R_i

R_i.(1+Aβ)

R_i/(1+Aβ)

0 (always)

∞ (always)

Solution:

Calculate the total capacitance of three capacitors of 10 μF, 20 μF, and 30 μF connected in series.

60 μF

0.16 μF

18.3 μF

5.45 μF

Solution:

Find the resistance of a filament of the bulb when it is operating with a current of 200 mA and the applied voltage is 230 V.

1 kΩ

1.15 kΩ

2 kΩ

2.25 kΩ

Solution:

In an FM system, when the modulating frequency is 400 Hz and the modulating voltage is 2.4 V, the deviation is 4.8 kHz. Calculate the deviation constant.

6 kHz/V

2 kHz/V

0 kHz/V

12 kHz/V

Solution:

For a Class A transistor power amplifier coupled with a transformer, the maximum power rating of the transistor should not go below what value to deliver a power output of 10 Watts?

5 W

10 W

20 W

40 W

Solution:

In the saturation mode of a BJT (Bipolar Junction Transistor), the collector-emitter saturation voltage (V_CEsat) for silicon transistors is typically:

0.5 to 0.6 V

0.1 to 0.3 V

-0.1 to 0.1 V

0.7 to 0.9 V

Solution:

Calculate the higher cut-off frequency of one amplifier when a cascaded network of 5 amplifiers with similar characteristics has a higher cut-off frequency of 3.5 MHz.

48.76 MHz

9.076 MHz

0.7 MHz

4.876 MHz

Solution:

A silicon power diode has V_j (the drop across the p+ n- junction) of 0.4V, R_ON (ohmic drop) in the drift region of 0.002 Ω and I_F = 75A. Determine the voltage drop of a forward conducting power diode.

0.3 V

0.55 V

0.7 V

0.82 V

Solution:

The statement(s) that hold(s) true for a Zener diode is/are:

The direction of conduction of a Zener diode is opposite to that of the arrow in the symbol.

They are widely used as shunt regulators.

Current above which reverse characteristics of the Zener diode is a straight line is called knee current.

All of the above.

Solution:

Related Topics:

Microcontrollers Questions Set 1

Electromagnetic-theory Questions Set 1

Microprocessor Questions Set 1

System-verilog Questions Set 1

Control-systems Questions Set 1

Signals-and-systems Questions Set 1

Vhdl Questions Set 1

Digital-electronics Questions Set 1

Matlab Questions Set 1

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Analog-designs Questions Set 3:

Determine the thermal voltage at 60° C

Solution:

For a current amplifier, the input resistance with feedback (Rif) is:

Solution:

Calculate the total capacitance of three capacitors of 10 μF, 20 μF, and 30 μF connected in series.

Solution:

Find the resistance of a filament of the bulb when it is operating with a current of 200 mA and the applied voltage is 230 V.

Solution:

In an FM system, when the modulating frequency is 400 Hz and the modulating voltage is 2.4 V, the deviation is 4.8 kHz. Calculate the deviation constant.

Solution:

For a Class A transistor power amplifier coupled with a transformer, the maximum power rating of the transistor should not go below what value to deliver a power output of 10 Watts?

Solution:

In the saturation mode of a BJT (Bipolar Junction Transistor), the collector-emitter saturation voltage (VCEsat) for silicon transistors is typically:

Solution:

Calculate the higher cut-off frequency of one amplifier when a cascaded network of 5 amplifiers with similar characteristics has a higher cut-off frequency of 3.5 MHz.

Solution:

A silicon power diode has Vj (the drop across the p+ n- junction) of 0.4V, RON (ohmic drop) in the drift region of 0.002 Ω and IF = 75A. Determine the voltage drop of a forward conducting power diode.

Solution:

The statement(s) that hold(s) true for a Zener diode is/are:

Solution:

Related Question Sets:

Related Topics:

For a current amplifier, the input resistance with feedback (R_if) is:

In the saturation mode of a BJT (Bipolar Junction Transistor), the collector-emitter saturation voltage (V_CEsat) for silicon transistors is typically:

A silicon power diode has V_j (the drop across the p+ n- junction) of 0.4V, R_ON (ohmic drop) in the drift region of 0.002 Ω and I_F = 75A. Determine the voltage drop of a forward conducting power diode.