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When a charged oil drop moves upwards in an electric field, the electric force acting on the drop is
- a)Equal to the gravitational force
- b)Less than the garvitational force
- c)Greater than the mass of the oil drop
- d)Greater than the gravitational force
Correct answer is option 'D'. Can you explain this answer?
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When a charged oil drop moves upwards in an electric field, the electr...
When electric field E is switched on the oil drop starts moving up with terminal speed vT↑ . Electric force will act upwards, net gravity and drag forces acts downwards. Net force acting on the oil drop is again zero.
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When a charged oil drop moves upwards in an electric field, the electr...
Electric Force vs. Gravitational Force on an Oil Drop:
Electric force acting on a charged oil drop moving upwards in an electric field is greater than the gravitational force. This can be explained through the following points:
Electric Force:
- When a charged oil drop moves in an electric field, it experiences an electric force due to the presence of the electric field.
- The direction of the electric force depends on the charge of the oil drop and the direction of the electric field.
- The magnitude of the electric force is given by the equation F = qE, where q is the charge of the oil drop and E is the strength of the electric field.
Gravitational Force:
- The oil drop also experiences a gravitational force acting downwards due to the Earth's gravitational pull.
- The magnitude of the gravitational force is given by the equation F = mg, where m is the mass of the oil drop and g is the acceleration due to gravity.
Comparison:
- If the electric force is stronger than the gravitational force, the oil drop will move upwards against the gravitational pull.
- Since the electric force is directly proportional to the charge of the oil drop and the strength of the electric field, it can be greater than the gravitational force acting on the drop.
- This allows the charged oil drop to move upwards in the electric field, overcoming the gravitational force.
Therefore, the correct answer is option 'D' - the electric force acting on the drop is greater than the gravitational force.
Electric force acting on a charged oil drop moving upwards in an electric field is greater than the gravitational force. This can be explained through the following points:
Electric Force:
- When a charged oil drop moves in an electric field, it experiences an electric force due to the presence of the electric field.
- The direction of the electric force depends on the charge of the oil drop and the direction of the electric field.
- The magnitude of the electric force is given by the equation F = qE, where q is the charge of the oil drop and E is the strength of the electric field.
Gravitational Force:
- The oil drop also experiences a gravitational force acting downwards due to the Earth's gravitational pull.
- The magnitude of the gravitational force is given by the equation F = mg, where m is the mass of the oil drop and g is the acceleration due to gravity.
Comparison:
- If the electric force is stronger than the gravitational force, the oil drop will move upwards against the gravitational pull.
- Since the electric force is directly proportional to the charge of the oil drop and the strength of the electric field, it can be greater than the gravitational force acting on the drop.
- This allows the charged oil drop to move upwards in the electric field, overcoming the gravitational force.
Therefore, the correct answer is option 'D' - the electric force acting on the drop is greater than the gravitational force.
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When a charged oil drop moves upwards in an electric field, the electric force acting on the drop isa)Equal to the gravitational forceb)Less than the garvitational forcec)Greater than the mass of the oil dropd)Greater than the gravitational forceCorrect answer is option 'D'. Can you explain this answer?
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When a charged oil drop moves upwards in an electric field, the electric force acting on the drop isa)Equal to the gravitational forceb)Less than the garvitational forcec)Greater than the mass of the oil dropd)Greater than the gravitational forceCorrect answer is option 'D'. Can you explain this answer? for JEE 2024 is part of JEE preparation. The Question and answers have been prepared according to the JEE exam syllabus. Information about When a charged oil drop moves upwards in an electric field, the electric force acting on the drop isa)Equal to the gravitational forceb)Less than the garvitational forcec)Greater than the mass of the oil dropd)Greater than the gravitational forceCorrect answer is option 'D'. Can you explain this answer? covers all topics & solutions for JEE 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for When a charged oil drop moves upwards in an electric field, the electric force acting on the drop isa)Equal to the gravitational forceb)Less than the garvitational forcec)Greater than the mass of the oil dropd)Greater than the gravitational forceCorrect answer is option 'D'. Can you explain this answer?.
When a charged oil drop moves upwards in an electric field, the electric force acting on the drop isa)Equal to the gravitational forceb)Less than the garvitational forcec)Greater than the mass of the oil dropd)Greater than the gravitational forceCorrect answer is option 'D'. Can you explain this answer? for JEE 2024 is part of JEE preparation. The Question and answers have been prepared according to the JEE exam syllabus. Information about When a charged oil drop moves upwards in an electric field, the electric force acting on the drop isa)Equal to the gravitational forceb)Less than the garvitational forcec)Greater than the mass of the oil dropd)Greater than the gravitational forceCorrect answer is option 'D'. Can you explain this answer? covers all topics & solutions for JEE 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for When a charged oil drop moves upwards in an electric field, the electric force acting on the drop isa)Equal to the gravitational forceb)Less than the garvitational forcec)Greater than the mass of the oil dropd)Greater than the gravitational forceCorrect answer is option 'D'. Can you explain this answer?.
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