Physics Ch 18-19 #2

Which of the following is not a component of the Leyden jar?

• outer insulation coating
• metal chain
• a glass jar
• inner lead coating

Capacitor dielectrics are usually

• metals
• insulators.
• semiconductors.
• conductors

Which of the following does capacitance not depend on?

• distance between the capacitor plates
• capacitor dielectric
• capacitor charge
• capacitor current

To increase the total capacitance of a circuit,

• use capacitors with plates that are closer together.
• arrange the capacitors in series.
• use a dielectric with a lower dielectric constant.
• use capacitors with a smaller surface area.

The SI unit of capacitance is the

• farad.
• henry.
• tesla.
• pascal.

Which of the following is not an electrical component?

• a resistor
• a diode
• a capacitor
• an electroscope

Capacitance is measured in

• joules per coulomb.
• coulombs per volt.
• ohms.
• volts per newton.

Which of the following cannot be a conductor under normal circumstances?

• plasmas
• ionic fluids
• glass filaments
• metal filaments

Like charges repel each other.

• True
• False

The law of charges states that like charges attract and unlike charges repel one another.

• True
• False