Resistivity is material property. It depends only on temperature. For the same material with different length and area, resistivity remains the same until temperature remains constant.
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Answer:
A. kinetic energy
B. angular velocity
E. angular position
Explanation:
The quantities that cannot be constant if a constant net torque is exerted on an objecta are:
A. Kinetic energy. If a torque is applied, the linear or angular speed will be changing at a rate proportional to the torque, so the kinetic energy will change too.
B. Angular velocity. It will change at a rate equal to the torque.
C. Angular position. If the angular velocity changes, the angular position will change.
Answer:
4.73V
Explanation:
Parameters given:
Radius of sphere = 65.7 cm = 0.657 m
Electric field = 7.2 * 10^5 V/m
Electric potential, V, is given in terms of Electric field as:
V = E * r
Where r = distance between charge and point of consideration.
Since we are considering a point just outside the spherical conductor:
V = 7.2 * 10^5 * 0.657
V = 4.73V
The ability to be dissolved, especially in water.
Answer:
Green and pink are pure substances/elements
The blue and grey are compounds
Explanation:
