– Electrostatics Electrostatics
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– Electrostatics Electrostatics
Quiz
What is the SI unit of electric charge?
? . Coulomb? . Ampere? Volt? Ohm .
The force between two charges is directly proportional to:
? . The distance between the charges? . The product of the charges? The sum of the charges? . The difference between the charges
What is the fundamental unit of electric charge in the International System of Units (SI)?
? . Ampere? . Volt.? . Coulomb? . Ohm
• The electric field at a point due to a positive charge is:
? Directed away from the charge? . Directed towards the charge? Perpendicular to the charge? . Tangential to the charge
• The unit of electric potential is:
? . Coulomb? . Volt? . Ampere? . Ohm
• Which of the following is a conductor of electricity?
? . Rubber? . Wood? . Copper? . Plastic
An electric field inside a conductor in electrostatic equilibrium is:
? . Zero? . Maximum? . Non-zero and variable? Uniform
• If the distance between two charges is doubled, the electrostatic force between them:
? Doubles? . Halves? Becomes one-fourth? Remains the same
• A capacitor with capacitance 5 µF is connected to a 10 V battery. The charge stored in the capacitor is:
? . 0.5 µC? 5 µC? 50 µC? . 500 µC
• The potential difference between two points is defined as:
? . The work done to move a unit positive charge from one point to the other? . The force experienced by a unit positive charge between the points? . The energy stored in a capacitor? . The charge divided by the capacitance
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