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L1 Electric field (Electrostatics) - Introduction , Physics Video Lecture | Additional Study Material for NEET

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FAQs on L1 Electric field (Electrostatics) - Introduction , Physics Video Lecture - Additional Study Material for NEET

1. What is the electric field in electrostatics?
Ans. In electrostatics, the electric field is a vector quantity that represents the force experienced by a positive test charge at a given point in space. It is defined as the force per unit positive charge and is measured in newtons per coulomb (N/C).
2. How is the electric field calculated in electrostatics?
Ans. The electric field at a point in electrostatics can be calculated by dividing the force experienced by a positive test charge at that point by the magnitude of the test charge. Mathematically, it can be expressed as E = F/q, where E is the electric field, F is the force, and q is the test charge.
3. What is the significance of the electric field in electrostatics?
Ans. The electric field plays a crucial role in electrostatics as it helps determine the behavior of charged particles in a given region. It provides important information about the direction and magnitude of the force that a charged particle will experience at any point in space.
4. How does the electric field depend on distance in electrostatics?
Ans. In electrostatics, for a point charge, the electric field decreases with increasing distance from the charge. The relationship between the electric field and distance follows an inverse square law, which means that the electric field is inversely proportional to the square of the distance from the charge.
5. Can the electric field be negative in electrostatics?
Ans. Yes, the electric field can be negative in electrostatics. A negative electric field indicates that the force experienced by a positive test charge is directed opposite to the direction of the field. It signifies that the source of the field is a negative charge.
26 videos|287 docs|64 tests
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