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Preeti
Hii I am preeti right now I am waiting for my interview so basically I am from Nashik and I am an engineering student and this year I am going to complete my engineering. so every year my college organize a job fair for students and the company I want to get selected is ABB
Adelia
preeti go now its your turn
Preeti
ya
now its my turn I am very nervous
Preeti
after he said coming I came in and sat on chair I given him my resume
Remer
so preeti tell me about your self
Preeti
I am preeti prasad I am 20 year old I am from Nashik currently I am pursuing my engineering
Remer
so preeti tell me what is CB
Preeti
Circuit Breaker:
A circuit breaker is an electrical safety device that automatically interrupts an electrical circuit when a fault is detected, such as an overload or short circuit. Its primary function is to protect people and equipment from electrical hazards.
Remer
ok now tell me ac and dc types of CB ohms law

Preeti
AC (Alternating Current) and DC (Direct Current):
- *AC (Alternating Current)*: An electric current that periodically reverses direction, typically used in households and businesses for efficiency in long-distance transmission.
- *DC (Direct Current)*: An electric current that flows in one direction only, commonly used in electronic devices, batteries, and automotive systems.
Types of Circuit Breakers:
1. *Air Circuit Breakers (ACB)*: Used for high-current applications, typically above 800 amps.
2. *Molded Case Circuit Breakers (MCCB)*: Compact, molded circuit breakers used for lower current applications.
3. *Miniature Circuit Breakers (MCB)*: Small, compact circuit breakers used for low-voltage applications.
4. *Residual Current Circuit Breakers (RCCB)*: Designed to detect and interrupt ground faults, providing protection against electrical shock.
Ohm's Law:
Ohm's Law states that the current flowing through a conductor is directly proportional to the voltage applied and inversely proportional to the resistance of the conductor. The formula is:
I = V/R
Where:
- I = current (in amperes)
- V = voltage (in volts)
- R = resistance (in ohms)
Ohm's Law is a fundamental principle in electrical engineering, used to analyze and design electrical circuits.
Remer
ok you may leave now
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