1.What is circuit ? 2.what is PCB 3.what is a frequency 4.differance between AC and DC 5.how electricity generated in our country 6.renewable and non renewable sources 7.what is ScR 8.how to supply electricity to consumer 9.what is induction motor basic principle 10.why single phase motor not self starting

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Answers to questions related to electrical engineering concepts.

A circuit is a closed loop through which electricity flows.
PCB stands for Printed Circuit Board, used to connect and support electronic components.
Frequency is the number of cycles per second in an alternating current.
AC is alternating current that changes direction periodically, while DC is direct current that flows in one direction.
Electricity is generated in our country through various sources such as coal, hydro, nuclear, and renewable sources like solar and wind.
Renewable sources of energy include solar, wind, hydro, geothermal, and biomass, while non-renewable sources include coal, oil, and natural gas.
SCR stands for Silicon Controlled Rectifier, a semiconductor device used for power control.
Electricity is supplied to consumers through a power grid that includes transformers, transmission lines, and distribution lines.
Induction motor works on the principle of electromagnetic induction, where a rotating magnetic field is produced to rotate the rotor.
Single-phase motors are not self-starting because they require a rotating magnetic field, which is not possible with a single-phase supply.

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