BASIC ELECTRICAL KNOWLEDGE IN HINDI PDF

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Basic Troubleshooting. reffirodonverm.gq - Description of how resistors are manufactured and occupation that uses electrical components or devices. Basic Electrical. Enrolled students may Basic Electricity and Electronics. $ 3 3 2 . 5 0 This knowledge is then applied to learning the operations of electrical. Electrical Engineering Objective Questions and Answers (MOST IMPORTANT इस Electrical Engineering MCQ PDF in Hindi को Nandani.


Basic Electrical Knowledge In Hindi Pdf

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ITI Electrician Theory Objective type Question paper in hindi. (1) श्रेणी C की . Basic Electronics objective questions and answers in hindi. TLC recommends that you download and save this pdf document and .. The Basic Electricity CEU Training course uses a multiple choice answer key. Electrician - Sem 2 - Trade Theory - Hindi - NSQF Level 5 It contains exercises in 6 modules and it broadly covers Basic electrical practice (40 Exercises).

In its simplest terms, electricity is the movement of charge, which is considered by convention to be, from positive to negative. No matter how the charge is created, chemically like in batteries or physically friction from socks and carpet , the movement of the discharge is electricity.

Understanding Current This flow of electrical charge is referred to as electric current. There are two types of current, direct current DC and alternating current AC. DC is current that flows in one direction with a constant voltage polarity while AC is current that changes direction periodically along with its voltage polarity.

Electrical Engineering Previous Papers

But as societies grew the use of DC over long transmission distances became too inefficient. Nikola Tesla changed all that with the invention of alternating current electrical systems. With AC it is possible to produce the high voltages needed for long transmissions. Therefore today, most portable devices use DC power while power plants produce AC. The V is for voltage, which means the potential difference between two charges.

In other words, it is a measurement of the work required to move a unit charge between two points. When we see a value such as 10 Volts, it is a measurement of the potential difference between two reference points.

Engineering Questions

As mentioned previously, current is the measurement of the flow of charge in a circuit. This leaves us with the letter R which represents Resistance. Electrical resistance, measured in Ohms, is the measure of the amount of current repulsion in a circuit.

Simply, resistance resists current flow. When electrons flow against the opposition offered by resistance in the circuit, friction occurs and heat is produced. The most common application for resistance in a circuit is the light bulb.

The light bulb introduces enough resistance in a circuit to heat up the filament inside, causing light to be emitted. Resistance in a circuit can also be helpful when needing to alter voltage levels, current paths, etc. Resistors are self-contained packages of resistance that can be added to a circuit and are commonly used to divide voltage levels.

First, we need to understand what Series and Parallel circuits mean.

Series circuits are those which are connected in-line with the power source. The current in series circuits is constant throughout but the voltage may vary. Parallel circuits are those which branch off from the power supply.

Do not enter an electrical power substation, or other marked areas. What are some general safety tips for working with or near electricity? Inspect portable cord-and-plug connected equipment, extension cords, power bars, and electrical fittings for damage or wear before each use.

Electrical Safety - Basic Information

Repair or replace damaged equipment immediately. Always tape extension cords to walls or floors when necessary. Nails and staples can damage extension cords causing fire and shock hazards.

Use extension cords or equipment that is rated for the level of amperage or wattage that you are using. Always use the correct size fuse.

Replacing a fuse with one of a larger size can cause excessive currents in the wiring and possibly start a fire. Be aware that unusually warm or hot outlets may be a sign that unsafe wiring conditions exists.

Unplug any cords or extension cords to these outlets and do not use until a qualified electrician has checked the wiring. Always use ladders made with non-conductive side rails e.

Place halogen lights away from combustible materials such as cloths or curtains. Halogen lamps can become very hot and may be a fire hazard.

Risk of electric shock is greater in areas that are wet or damp. Install Ground Fault Circuit Interrupters GFCIs as they will interrupt the electrical circuit before a current sufficient to cause death or serious injury occurs. Make sure that exposed receptacle boxes are made of non-conductive materials. Know where the panel and circuit breakers are located in case of an emergency. Label all circuit breakers and fuse boxes clearly. Each switch should be positively identified as to which outlet or appliance it is for.

Do not use outlets or cords that have exposed wiring. Do not use portable cord-and-plug connected power tools with the guards removed. Do not block access to panels and circuit breakers or fuse boxes.

Do not touch a person or electrical apparatus in the event of an electrical accident.

Always disconnect the power source first. What are some tips for working with power tools? Switch all tools OFF before connecting them to a power supply. Disconnect and lockout the power supply before completing any maintenance work tasks or making adjustments.

Ensure tools are properly grounded or double-insulated. The grounded equipment must have an approved 3-wire cord with a 3-prong plug. This plug should be plugged in a properly grounded 3-pole outlet. Do not use electrical equipment in wet conditions or damp locations unless the equipment is connected to a GFCI.

Do not clean tools with flammable or toxic solvents. Do not operate tools in an area containing explosive vapours or gases, unless they are intrinsically safe and only if you follow the manufacturer's guidelines. What are some tips for working with power cords? Keep power cords clear of tools during use.

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Download electrician study material pdf. Download electrician questions pdf. Download electrician questions answers pdf.What is inrush current? Communication Systems: And finally, you will put this information to use by creating your first basic circuit. Loop the cords or use a twist lock plug.

Download lineman objective type questions answers pdf. Always tape extension cords to walls or floors when necessary. Often the advantages of 3 phase motors, and other 3 phase equipment, make it worthwhile to convert single phase to 3 phase so that small and large consumers need not want to pay for the extra cost of a 3 phase service but may still wish to use 3 phase equipment.

We can have the frequency at any frequency you like, but than you must also make your own motors,high voltage transformers or any other equipment you want to use. What is excitation?