Chemistry
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Electric potential of earth is taken to be zero, because earth is a good:
Answer: B. Conductor Electric potential of earth is taken to be zero, because earth is a good conductor.
Answer: B. Conductor
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Two charges are separated by distance r. If a metal sheet is placed between them, force will be:
Answer: C. Will decrease Two charges are separate by distance r. If a metal sheet is placed between them, force will be decrease.
Answer: C. Will decrease
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If distance between two charged particle is doubled, then the force will:
Answer: C. Be one-fourth If distance between two charged particle is doubled, then the force will be one-fourth.
Answer: C. Be one-fourth
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What is the electric field inside a hollow insulated brass sphere?
Answer: A. Zero The electric field inside a hollow insulated brass sphere is zero.
Answer: A. Zero
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In coulomb’s law the force between two point charges is proportional to:
Answer: B. The products of two charges In coulomb's law the force between two two point charges is proportional to the products of two charges.
Answer: B. The products of two charges
See lessIn coulomb’s law the force between two two point charges is proportional to the products of two charges.
A glass rod is rubbed with silk it gains a positive charge because:
Answer: D. Electrons are removed from it A glass rod is rubbed with silk it gains a positive charge because electrons are removed from it.
Answer: D. Electrons are removed from it
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When an electric dipole is suspended in uniform electric field, it experiences
Answer: B. Couple only When an electric dipole is suspended in a uniform electric field, it experiences couple only.
Answer: B. Couple only
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When the body is positively charged by friction, it has:
Answer: A. Lost some electrons When the body is positively charged by friction, it has lost some electrons.
Answer: A. Lost some electrons
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In a non-uniform electric field, electric dipole experiences:
Answer: B. Torque as well as force In a non-uniform electric field, electric dipole experiences is torque as well as force.
Answer: B. Torque as well as force
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The dielectric constant of metal is:
Answer: D. Infinite The dielectric constant of metal is infinite.
Answer: D. Infinite
See lessThe dielectric constant of metal is infinite.