Electrical Quantities

Which of the following statements is/are true?

• Charge is the fundamental quantity of electricity

• There are two types of electric charge: positive and negative.

• The SI unit for charge is Coulomb

• All of the above

TRUE OR FALSE: Protons, which are located inside the atom of an object, is capable of moving out from their orbit.

• True

• False

TRUE OR FALSE: The movement or flow of electrons causes the presence of electric current.

• True

• False

What relationship exists between current and voltage when resistance is kept constant?

• complementary

• directly proportional

• equal

• inversely proportional

Which of the following refers to the ability of a material to reduce the flow of charge through it?

• current

• circuit

• resistance

• voltage

Which of the following is correct?

• R = IV

• R = I/V

• I = R/V

• V = IR

What is the unit of measurement of resistance?

• Amperes

• Ohms

• Volts

Given the schematic diagram, which of the following components are present?

• switch

• resistors

• loads

• conductors

• source/ supply

Which of the following statements about series circuits are true?

• It has more than one closed conducting path for current to flow through

• if any part of the circuit is open, current still flows through the other closed parts of the circuit

• both statements are true

• none of the statements are true

Which of the following statements about parallel circuits are true?

• It has more than one closed conducting path for current to flow through

• if any part of the circuit is open, current still flows through the other closed parts of the circuit

• both statements are true

• none of the statements are true