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The energy required to move 120 coulomb through 3V is
- a)25 mJ
- b)360 J
- c)40 J
- d)2.78 mJ
Correct answer is option 'B'. Can you explain this answer?
Verified Answer
The energy required to move 120 coulomb through 3V isa)25 mJb)360 Jc)4...
W = Qv = 360J
Most Upvoted Answer
The energy required to move 120 coulomb through 3V isa)25 mJb)360 Jc)4...
Calculation of Energy
The energy required to move 120 coulomb through 3V can be calculated using the formula:
Energy (E) = Charge (Q) × Voltage (V)
Here, Q = 120 C and V = 3 V
So, E = 120 C × 3 V = 360 J
Therefore, the correct answer is option 'B'.
Explanation
The energy required to move a charge through a potential difference is given by the product of the charge and the potential difference. In this question, the charge is given as 120 coulomb and the potential difference is given as 3V. So, we can calculate the energy required using the formula mentioned above.
The unit of energy is joule (J), which is the product of the unit of charge (coulomb, C) and the unit of potential difference (volt, V). Therefore, the energy is expressed in joule (J). In this case, the energy required is 360 J.
Hence, the correct answer to this question is option 'B', which represents 360 J.
The energy required to move 120 coulomb through 3V can be calculated using the formula:
Energy (E) = Charge (Q) × Voltage (V)
Here, Q = 120 C and V = 3 V
So, E = 120 C × 3 V = 360 J
Therefore, the correct answer is option 'B'.
Explanation
The energy required to move a charge through a potential difference is given by the product of the charge and the potential difference. In this question, the charge is given as 120 coulomb and the potential difference is given as 3V. So, we can calculate the energy required using the formula mentioned above.
The unit of energy is joule (J), which is the product of the unit of charge (coulomb, C) and the unit of potential difference (volt, V). Therefore, the energy is expressed in joule (J). In this case, the energy required is 360 J.
Hence, the correct answer to this question is option 'B', which represents 360 J.
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Community Answer
The energy required to move 120 coulomb through 3V isa)25 mJb)360 Jc)4...
Voltage = work done / charge
hence , work done = voltage*charge
= 3*120 J
= 360 J
hence , work done = voltage*charge
= 3*120 J
= 360 J
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