Mechatronics 1.1--Static Electricity

What did Charles Coulomb measure in the 1780's using a device called a torsional balance?

• Resistance

• Voltage

• Current

• Force

What is the operational definition of a coulomb as the unit of electrical charge?

• Excess or deficiency of about 6,250,000,000,000,000,000 atoms

• Excess or deficiency of about 6,250,000,000,000,000,000 protons

• Excess or deficiency of about 6,250,000,000,000,000,000 electrons

• Excess or deficiency of about 6,250,000,000,000,000,000 neutrons

What is the smallest known carrier of electric charge?

• Atom

• Electron

• Neutron

• Proton

What is the name of the force that causes protons to bind together in the nucleus of an atom?

• Electromagnetic force

• Gravitational force

• Strong nuclear force

• Weak nuclear force

What is the result of an imbalance of electrons between objects?

• Resistance

• Current

• Static electricity

• Voltage

What did Michael Faraday prove in 1832 about static electricity?

• It is different from the electricity produced by a battery or a generator

• It is not related to electricity at all

• It is only a nuisance and has no practical applications

• It is the same as the electricity produced by a battery or a generator

What is the name of the particle that has no electric charge?

• Neutron

• Proton

• Electron

• Atom

What is the name of the particle that has a positive electric charge?

• Proton

• Atom

• Neutron

• Electron

What is the name of the particle that has a negative electric charge?

• Proton

• Neutron

• Atom

• Electron

What is the name of the force that causes electrons to be attracted to protons in an atom?

• Weak nuclear force

• Strong nuclear force

• Gravitational force

• Electromagnetic force