Hello! I am in need of anwseres to those questions. As quickly as possible if possible. I know it is not nice to ask for things like that but I am in both time and sources of information loss. So Please, PLEASE solve them for me. Please.
The bipolar NPN transistor with Beta=200A/A works as a switch with emitter connected to the ground, and load R_C=4.8K connected between the collector and +5V potential. The transistor will be in saturation mode. a) For U_BE<UBET (I assume its U_BET) b) for I_b>5µA c) for I_b>0 d) for U_BE>0
The real current source has internal resistance of 50 Ohms. When shorted, it provides the current of 100 mA, this source may be replaced with: a) an ideal voltage source E=0.5V connected in series with resistance R=50 Ohms. b) an ideal voltage source E=5V connected in parallel with resistance R=50 Ohms. c) an ideal voltage source E=5V connected in series with resistance R=50 Ohms. d) an ideal voltage source E=0.5V connected in parallel with resistance R=50 Ohms.
The collector emitter voltage of the bipolar NPN transistor equals 12V. The collector current of the transistor equals 0mA. The transistor state is: a) passive b) saturated c) cut-off d) active.
If in a NPN transistor β= 50 and I_B, and this transistor is in saturation mode, then I_C meets the following condition a) I_C≤5mA b) I_C≥5mA c) I_C≥2µA d) I_C≤2µmA
If five equal resistors connected in series dissipate a total power of 20W, how much power does each resistor dissipate: a) 20W b) 100W c) 4W d) 5W
The unloaded voltage source develops the output voltage 5V. When loaded with resistance of 2kOhms the output voltage drops to 4V. What is the internal resistance of this voltage source? A)1kOhms b) 500Ohms c)2.5kOhms d)400Ohms
Which from the listed amplifiers is not suitable to amplify the DC component of the input signal
a) noniverting amplifier with op-amp, b) inverting amplifier with op-amp, c) Differential amplifier, d) Common emitter or common source amplifier,
If five equal resistors connected in series dissipate a total power of 20W, how much power does each resistor dissipate: a)20W, b)100W, c) 4W, d) 5W
In the NPN transistor, beta=200A/A, IC=1mA, IB=10μA a) transistor works in saturation state b) transistor works in active state c) this is impossible d) transistor works in cutoff state
The unloaded voltage source develops the output voltage 3V. When loaded with resistance of 2kΩ, the output voltage drops to 1V. What is the internal resistance of this voltage source? a) 6kΩ, b) 2kΩ, c) 4kΩ, d) 1kΩ
The bipolar NPN transistor with Beta=200A/A works as a switch with emitter connected to the ground, and load R_C=4.8K connected between the collector and +5V potential. The transistor will be in saturation mode. a) For U_BE<UBET (I assume its U_BET) b) for I_b>5µA c) for I_b>0 d) for U_BE>0
The real current source has internal resistance of 50 Ohms. When shorted, it provides the current of 100 mA, this source may be replaced with: a) an ideal voltage source E=0.5V connected in series with resistance R=50 Ohms. b) an ideal voltage source E=5V connected in parallel with resistance R=50 Ohms. c) an ideal voltage source E=5V connected in series with resistance R=50 Ohms. d) an ideal voltage source E=0.5V connected in parallel with resistance R=50 Ohms.
The collector emitter voltage of the bipolar NPN transistor equals 12V. The collector current of the transistor equals 0mA. The transistor state is: a) passive b) saturated c) cut-off d) active.
If in a NPN transistor β= 50 and I_B, and this transistor is in saturation mode, then I_C meets the following condition a) I_C≤5mA b) I_C≥5mA c) I_C≥2µA d) I_C≤2µmA
If five equal resistors connected in series dissipate a total power of 20W, how much power does each resistor dissipate: a) 20W b) 100W c) 4W d) 5W
The unloaded voltage source develops the output voltage 5V. When loaded with resistance of 2kOhms the output voltage drops to 4V. What is the internal resistance of this voltage source? A)1kOhms b) 500Ohms c)2.5kOhms d)400Ohms
Which from the listed amplifiers is not suitable to amplify the DC component of the input signal
a) noniverting amplifier with op-amp, b) inverting amplifier with op-amp, c) Differential amplifier, d) Common emitter or common source amplifier,
If five equal resistors connected in series dissipate a total power of 20W, how much power does each resistor dissipate: a)20W, b)100W, c) 4W, d) 5W
In the NPN transistor, beta=200A/A, IC=1mA, IB=10μA a) transistor works in saturation state b) transistor works in active state c) this is impossible d) transistor works in cutoff state
The unloaded voltage source develops the output voltage 3V. When loaded with resistance of 2kΩ, the output voltage drops to 1V. What is the internal resistance of this voltage source? a) 6kΩ, b) 2kΩ, c) 4kΩ, d) 1kΩ