SYSAK Charge and Current A&I (GCHSS)

Choose ALL the ways you can find the volume of regular solid

• Cross-sectional area × perpendicular length

• Base area × height

• Length × breadth × radius

• Surface area × perpendicular height

What is the unit of current?

• Ohm

• Watt

• Volt

• Ampere

What do neutral atoms have in equal numbers?

• Protons and neutrons

• Electrons and neutrons

• Protons and electrons

• Ions and electrons

What type of materials do not allow current to flow?

• Superconductors

• Conductors

• Insulators

• Semiconductors

What flows in a metal conductor?

• Protons

• Neutrons

• Free electrons

• Positive ions

What is the direction of conventional electric current?

• From negative to positive

• From positive to negative

• From ground to source

• From source to ground

What do like charges do to each other?

• Attract

• Neutralize

• Repel

• Absorb

Choose ALL the correct options: In an electric field, a charged particle can

• remain stationary

• experience attraction

• experience repulsion

• can accelerate

What shape do electric fields around isolated charges take?

• Elliptical

• Rectangular

• Radial

• Cylindrical

What is the relationship between electric field strength and potential difference?