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Yogita Ingle 4 years, 2 months ago
The potential difference is the work done per unit charge.
The dimensional formula for potential difference is dimension of work/dimension of charge =dimensions of mass times acceleration times distance/ dimension for charge ={tex}M^1L^1T^-2L^1 / A^1T^1 = M^1 L^2 T^-3A^-1 {/tex}
Posted by Aakash Deep 4 years, 2 months ago
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Posted by Aakash Deep 4 years, 2 months ago
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Yogita Ingle 4 years, 2 months ago
The range of variation over the seven days of observation is 162 s for clock 1, and 31 s for clock 2. the average reading of clock 1 is much closer to the standard time than the average reading of clock 2. The important point is that a clock's zero error is not as significant for precision work as its variation, because a 'zero-error' can always be easily corrected. Hence closk 2 is to be preferred to clock 1.
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Yogita Ingle 4 years, 2 months ago
Acceleration is the rate of change in velocity expressed mathematically as dv/dt = a. An object moving at uniform or constant velocity has zero acceleration.
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Meghna Thapar 4 years, 2 months ago
Scientific method involves making observations, forming questions, making hypotheses, doing an experiment, analyzing the data, and forming a conclusion. Every scientific experiment performed is an example of the scientific method in action, but it is also used by non-scientists in everyday situations.The scientific method consists of six steps:
- Define purpose.
- Construct hypothesis.
- Test the hypothesis and collect data.
- Analyze data.
- Draw conclusion.
- Communicate results.
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Yogita Ingle 4 years, 2 months ago
SI unit of current is ampere.
1 ampere is the constant current that will produce an attractive force of 2 × 10−7 Newton per meter of length between two straight, parallel conductors of infinite length and negligible circular cross section placed one meter apart in a vacuum.
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Conservation of energy, principle of physics according to which the energy of interacting bodies or particles in a closed system remains constant. ... For example, when a pendulum swings upward, kinetic energy is converted to potential energy. Mechanical energy is the sum of the potential and kinetic energies in a system. The principle of the conservation of mechanical energy states that the total mechanical energy in a system (i.e., the sum of the potential plus kinetic energies) remains constant as long as the only forces acting are conservative forces.
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Aadya Singh 4 years, 2 months ago
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Aadya Singh 4 years, 2 months ago
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Harshree Saraf 4 years, 2 months ago
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