The section, EDAIC part-1: MCQs and explanations, covers a different topic each day with the intent that candidates can prepare one small topic each day, making steady progress in their exam preparation.
Question: 1-volt potential difference between two points is
- 1 joule of energy spent for movement of 1 coulomb of charge between two points.
- The potential difference between two points on a conducting wire carrying 1 amp of current; between which 1 watt of power is dissipated.
- 0.238 calorie of energy spent for movement of 6.25 x 10¹⁸ electrons between two points
- The potential difference that moves 1 ampere of current across a resistance of 1 ohm
- The potential difference between two points on a conducting wire carrying 1 amp of current; between which 1 joule per second of power is dissipated.
Answers:
- true
- true
- true
- true
- true
Explanation:
all statements are correct.
The electric voltage or potential difference: is the energy required to move the given charge between two points in a circuit. SI unit: volt (V)
1 volt is equal to 1 joule of energy spent for movement of 1 coulomb of charge between two points. (1 volt=1 joule per coulomb).
1 joule = 0.238 calorie
OR
1 volt is the potential difference between two points on a conducting wire carrying 1 amp of current; between which 1 watt of power is dissipated.
1 Watt = 1joule/second
OR
It can be calculated as a product of current (Amperes) and resistance (Ohms). 1 volt is the potential difference that moves 1 ampere of current across a resistance of 1 ohm.
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The ‘EDAIC part-1: Questions and explanations’ section covers a different topic each day with the intent that candidates can prepare one small topic each day, making steady progress in their exam preparation.
