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Definition:  A source of electrical power (electrical energy), a device that supplies electrical current. It can be electrochemical (battery or fuel cell) or an electromechanical device (dynamo) or a specialized electronic instrument. Also called "power source (supply)". There are two types of electric sources namely voltage source and current source. Voltage source: A voltage source is a two terminal device which can maintain a fixed voltage . •           Time Invariant Voltage Source:  the output terminal voltage of the source changes with time. •           Time Variant Voltage Source:  the output terminal voltage of the source does not change with time. •           Ideal Voltage Source:  Delivers constant voltage irrespective of the current drawn through its terminals. So it produces infinite energy. It has ...

INDIA – STATES & CAPITALS India has 29 states and 7 union territories. The states and capitals of India are listed below: Sl. No. States Capitals 1 Tamil Nadu Chennai 2 Kerala Thiruvananthapuram 3 Karnataka Bengaluru 4 Andhra Pradesh Hyderabad (Proposed Capital: Amravati) 5 Telangana Hyderabad 6 Maharashtra Mumbai 7 Madhya Pradesh Bhopal 8 Goa Panaji 9 Gujarat Gandhinagar 10 Chhattisgarh Raipur 11 Jharkhand Ranchi 12 Odisha Bhubaneswar 13 West Bengal Kolkata 14 Rajasthan Jaipur 15 Haryana Chandigarh 16 Punjab Chandigarh 17 Uttarkhand Dehradun 18 Jammu & Kashmir Jammu (winter capital); Srinagar (summer capital) 19 Himachal Pradesh Shimla 20 Uttar Pradesh Lucknow ...