Common Interview Questions On Electronics

• What is the difference between TDMA and FDMA?
• what is 555 timer
• How many memory locations can be addressed by a microprocessor with 14 address lines? 
• How do you make a memory card of mobile phone?
• Which type of architecture 8085 has?
• What is the difference between Photodiode and Solar cell?
• What will be the common test case for SMS and Mp3 player applications?
• Explain negative test cases for testing mobile phones?
• What is the significance of "4-20 mA" signal in hart protocol?
• What is the exactly meaning of manual testing?
• How to check the Mobile Battery charge status?
• Is it possible to reverse the order of a Variable Frequency Drive? Ex: I want to be able to create 120v power from a variable speed engine, with at least 6kw of power.
• What are encoder and the decoder? What are the uses of these two devices? Also, write about how it works with circuit diagram.
• What do mean by "flow of electron"?
• 6dB pad introduces how much attenuation?
• What is the significance of "4-20 mA" signal in hart protocol?
• How do you make a memory card of mobile phone?
• Do you have any ideas how to make a ping-pong ball launcher that reloads automatic and shoots automatically?
• What is the exactly meaning of manual testing?
• How can the electromagnetic can travel in air and not lose any information contained in them?

• Can we calculate the resistor if it is installed in circuit board?
• 6dB pad introduces how much attenuation?
• What will be the common test case for SMS and Mp3 player applications?
• What is the difference between TDMA and FDMA?
•  How to check the Mobile Battery charge status?
•  Why does charging batteries take lengthy periods? What can be done to quicken the speed?
• Explain negative test cases for testing mobile phones?  
•  How can the electromagnetic can travel in air and not lose any information contained in them?
•  How many memory locations can be addressed by a microprocessor with 14 address lines?
•  The current through a resistor of 50 ohms in an AC circuit at t = 0.008 s is 65% of the peak value. The smallest possible frequency of the generator delivering the current is
•  Is it possible to reverse the order of a Variable Frequency Drive? Ex: I want to be able to create 120v power from a variable speed engine, with at least 6kw of power.
•  Which type of architecture 8085 has?
•  Is it possible to build an AC or DC variable-speed generator with a variable field current, controlled by a signal from a torque sensor connected to the shaft of the generator (i.e., net torque = 0)?
•  Is it possible to build an AC or DC variable-speed generator with a variable field current, controlled by a signal from a torque sensor connected to the shaft of the generator (i.e., net torque = 0)?
•  How is the transmission of a signal in a computer over x number of clock cycles translated into binary?
•  Do you have any ideas how to make a ping-pong ball launcher that reloads automatic and shoots automatically?
•  When recording infrasound waves or microwaves how do they differ from one another? What is the best way to read them?
• When recording infrasound waves or microwaves how do they differ from one another? What is the best way to read them?
•  Can you explain electricity at atom level and if possible show some diagrams please
•   What are encoder and the decoder? What are the uses of these two devices? Also, write about how it works with circuit diagram.