Electrostatics-Electrostatic Potential Energy [NEET (2024 Updated)-National Eligibility cum Entrance Test (Medical) Physics]: Questions 1 - 5 of 19
Choose Programs:
📹 Video Course 2024 (8 Lectures [3 hrs : 4 mins]): Offline Support
Rs. 100.00 -OR-
1 Month Validity (Multiple Devices)
Preview All LecturesDetails
⏳ 🎯 Online Tests (5 Tests [50 questions each]): NTA Pattern, Analytics & Explanations
Rs. 500.00 -OR-
3 Year Validity (Multiple Devices)
Sample TestsDetailsSee Demo
🎓 Study Material (575 Notes): 2024-2025 Syllabus
Rs. 650.00 -OR-
3 Year Validity (Multiple Devices)
Topic-wise Notes & SampleDetails
🎯 5119 MCQs (& PYQs) with Full Explanations (2024-2025 Exam)
Rs. 750.00 -OR-
3 Year Validity (Multiple Devices)
CoverageDetailsSample Explanation
Help me Choose & Register (Watch Video) Already Subscribed?
Question 1
Question MCQ▾
Two identical charges are placed at the two corners of an equilateral triangle. The potential energy of the system is U. The work done in bringing an identical charge from Infinity to the third vertex is
Choices
Choice (4) | Response | |
---|---|---|
a. | zero | |
b. | U | |
c. | 3U | |
d. | 2U |
Question 2
Question MCQ▾
An electric dipole has the magnitude of its charge is q and its dipole moment is p. It is placed in a uniform electric field E. If its dipole moment is along the direction of the field, the force on it and its potential energy are respectively
Choices
Choice (4) | Response | |
---|---|---|
a. | q. E and p. E | |
b. | q. E and maximum | |
c. | 2q. E and minimum | |
d. | Zero and minimum |
Question 3
Question MCQ▾
Two equal negative point charges 2µC place 1 m apart from each other in air. so what is the potential energy of the system?
Choices
Choice (4) | Response | |
---|---|---|
a. | 4 J | |
b. | 0.036 J | |
c. | 2 J | |
d. | 2eV |
Question 4
Question MCQ▾
Charges -q, Q and -q are placed at equal distance on a straight line. If the total potential energy of the system of three charges is zero, then find the ratio Q/q.
Choices
Choice (4) | Response | |
---|---|---|
a. | ||
b. | ||
c. | ||
d. |
Question 5
Question MCQ▾
As shown in figure a dust particle with mass m = 5.010-9 kg and charge q0 = 2.0 nC starts from rest at point a and moves in a straight line to point b. What is its speed v at point b?
Choices
Choice (4) | Response | |
---|---|---|
a. | 34 ms-1 | |
b. | 14 ms-1 | |
c. | 46 ms-1 | |
d. | 26 ms-1 |