FULL QUESTION IN TECHSHARE

Follow the Link
http://techshare4u.weebly.com/cktdebug.html

INSTRUCTIONS 4 CIRCUIT DEBUGGING

1. Maximum of two members can participate in a group.
2. There will be three rounds in the event.
3. The first round will be testing basic knowledge about the circuit and concepts.
4. Once you crack first round you will be selected to second round.
The second round electronics.
5. will be problem solving and reasoning based on the given circuit.
6. The students will be provided calculators for the second round.
7. The third round will be Simulation of circuit using ORCAD software.
8. Students who wish to take part in circuit debugging make sure that they know working
With the ORCAD software.
9. The candidates are advised to prepare basics of Electronics circuit and Devices,
Linear Integrated circuits (OP Amp), DigitalAll the best for your participation and exciting prizes are waiting for you


Reference websites:
www.efy.com
www.hobbyprojects.com
www.indiabix.com
www.electronicscircuits.com
www.circuitdebug.blogspot.com

Circuit Debugging Round2:Reasoning

Refer to the given figure. The most probable cause of trouble, if any, from these voltage measurements is

a)the base-emitter junction is open.
b)RE is open.
c)a short from collector to emitter.
d)No problems.

Circuit Debugging AERATZ2011:Diodes

Determine the the voltage across resistor.

Circuit Debugging AERATZ2011 Round2:OPAmp

What is the current in R1 and the current in R2 for the circuit shown below?

Circuit Debugging AERATZ2011 Round 2 BJT

Refer to this figure. The value of VCE is:

Circuit Debugging AERATZ2011 Round 2

If a diode is connected across resistor RB (positive end up) in the given figure, what is the new duty cycle of the output waveform?

a)56% b)44% c)21.6% d)17.4%