1 The NTC-type thermistor (NTC-negative thermal coefficient) has the characteristic curve shown below. (a) (b) (c) (c) Resistance (ks) 8- 7- 6- 10 4- 3- 2- I 0 10 20 30 40 50 60 70 80 90 Temperature (°C) What is the temperature when the resistance of the thermistor is 5 k2? What is the resistance of the thermistor when the temperature is 80°C? Determine the value of the variable resistor that gives an output voltage of 3.0 V when the temperature is 80°C. [Ans: 2000 2] Resistance = What happens to the value of the output voltage as the temperature falls and the Them variable resistor remains at a fixed value? Explain your answer.

Current 420 ohm 30 V 1,(max) = 80 mA Voltage Vp-in 2.2 kohm Vp-out 0.6 V Zener Current Answer the following question according to the above. Remember Kirchhoff's laws when making your calculations in this question. According to the given graph, how many volts is the voltage value on it when this Zener diode is on a flat supply?

Opamp question please

The source voltage of the circuit is 5V and the break down voltage for the Zener diode is 5.2V then the voltage across resistor will be ??

Figure shown below represents a circuit combining a positive limiter with a negative limiter. Determine the output voltage waveform.

4. In the following circuit, the transformer's secondary has a peak voltage of 8V, sketch waveform of Vaut and find its peak voltage. What type of rectifier is this circuit? D1 R1 1000 T1 R2 ·100Ω Vout D2 R3 1000

Please answer all subpart either dislike is ready please help..

Using second approximation for a diode to calculate the load voltage.

3.- Suppose that each diode in the circuit shown in figure N°2 has a turn-on voltage of Vy=0.7 volts. Determine the value of Vo and Vi +5v 9.5k D1 +2v 0.5k V1 D2 No 2 +4v 0.5k w Fig. D3 D4 1k O Vo 0

For the Precision Rectifier in Figure 3, what is the output voltage equation during the Negative-Half Cycle using ideal diodes? choose the correct answer: 1)V0=0V 2)V0=-Vin 3)V subscript o equals negative R subscript 1 over R subscript 2 V subscript i n end subscript 4)V subscript o equals fraction numerator negative R subscript 2 over denominator R subscript 1 end fraction V subscript i n end subscript