Intelligence Bureau JIO Electrical Skill Test important Questions

Electrical Important Questions & Topic For IB Interview

• What personal protective equipment PPE should you wear when working in an electrical lab and why is it important?


• Explain the proper procedure for inspecting electrical equipment before use.


• Describe the emergency procedures to follow in case of an electrical accident.


• How can you verify that an electrical circuit is de-energized before starting work on it?


• Calculate the resistance of a resistor with color bands of brown, black, and red?


• Draw the schematic diagram of a simple series circuit with a resistor and an LED?


• Explain the difference between a breadboard and a PCB for prototyping electrical circuits?


• Calculate the total resistance in a parallel circuit with three resistors?


• Voltage and Current Measurement Using a multimeter, measure the voltage across a 9V battery?


• Measure the current through a resistor using an ammeter?


• Explain the concept of voltage division and how to calculate voltages in a series circuit?


• Describe the function of an oscilloscope and how to measure the frequency of an AC signal?


• Identify the symbol and function of a diode?


• List three common applications of capacitors in electrical circuits?


• Explain the operation of an NPN transistor and its use as a switch?


• How does a relay work, and provide an example of its use in a circuit?


• Design a simple logic gate circuit using AND, OR, and NOT gates?


• Convert a decimal number to its binary representation?


• Explain the purpose of a microcontroller in embedded system?


• Program a microcontroller to flash an LED in a specific pattern?


• Describe the working principle of a DC motor and its applications?


• Calculate the speed of a three-phase induction motor given its synchronous speed and slip?


• Explain the construction and operation of a transformer?


• Perform a polarity test on a single-phase transformer?


• Calculate the real power, apparent power, and power factor of a load given voltage and current values?


• Explain the advantages and disadvantages of overhead and underground power distribution systems?


• Describe the function of a circuit breaker in protecting electrical circuits?


• Calculate the line and phase currents in a balanced three-phase system?


• Identify common faults in electrical circuits, such as open circuits, short circuits, and loose connections?


• Explain the procedure for using a megohmmeter to test insulation resistance?


• Troubleshoot a circuit where an LED isn't lighting up as expected?


• Describe how to identify a blown fuse and replace it safely?