When the separation between two charges is increased, the electric potential energy of the charges
(a) increases
(b) decreases
(c) remains the same
(d) may increase or decrease.
1 Answers
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Which separation techniques will apply for the separation of the following? (a) Sodium chloride from its solution in water
(a) Crystallization or Evaporation. (b) Sublimation. (c) Centrifugation or Sedimentation. (d) Chromatography. (e) Centrifugation. (f) Separating funnel. (g) Hand-picking. (h) Magnetic separation. (i) Winnowing. (j) Centrifugation.
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The potential difference between two points in an electric circuit is 1 volt. What does it mean?
The potential difference between two points is 1 volt means that if a charge of 1 coulomb is moved Ilom one point to the other, 1 joule of work is...
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...........of a two particle system depends only on the separation between the two particles.
(c) potential energy Explanation:- The potential energy of a system is due to its configuration and separation depicts the configuration.
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The magnitude of gravitational potential energy of the moon-earth system is U with zero potential energy at infinite separation.
(b ) U>K. EXPLANATION: Let the mass of the moon = m, velocity v and its distance from the earth = a. v = √(GM/a), K.E. = K = ½mv² = ½m*GM/a →GMm/a = 2K The...
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Light from a point source falls on a screen. If the separation between the source and the screen is increased by 1%,
The correct answer is (c) 2%
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If a positive charge is shifted from a low-potential region to a high-potential region, the electric potential energy (a) increases
(a) increases
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The electric field and the electric potential at a point are E and V respectively.
The correct answer is None.
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The separation between the plates of a charged parallel-plate capacitor is increased.
The correct answer is (b) (c) (b) potential difference across the capacitor (c) energy of the capacitor
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If the potential difference applied to the tube is doubled and the separation between the filament and the target is also doubled.
(c) will be halved
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As the mass number A increases, the binding energy per nucleon in a nucleus (a) increases
(d) varies in a way that depends on the actual value of A.
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