Question

I need help

Problem 1:Caiculate the DCoperating point (Qpoint) of the dirauit below then answer the multiple choice questions Multiple choice questions are worth 5 pts each. Assume the beta of the transistor is 100. The earphones have an impedance of 16-jo Ohms Show work in alogical manner. Do not skip steps 100 Ear Phone 0.22uF 4.7uF 1.5V Cell 500pf BC AntennaGang Transistor 1. The DCvoltage across the coil is most dosely equal to a 1.50 V b. 1600 mV 2. Atechnique to increase the volume in the earphone would be a Decrease the resist ance of the battery b. Reduoe the input capacitanoe c Increase the 100K Ohm resstor d. None of the above 3. Atechnique to show a yisual in idation the earphoneläre'on' woulbe a. Add a buzzer to the input branch b. Add a buzzer to the collector branch c Add an LEDto the collector branch d. Add an LED across the headphonesl earpiece. e. All of the above are correct 4. To listen to 102.1 MHz I would have to modify the darauit as a Changing the Gang capacitor setting or value b. Replacing the transistor with a MOSFET device c Removing the 4.7 uF capacitor d. Changing both the Gang capacitor and coil setting or value e. All of the above

Answer 1