Properties of Circuits

Question 1

What moves in electrical conduction?

Answer 1

Electrical Charge

Question 2

What is the symbol and unit for charge?

Answer 2

Symbol: Q Unit: Coulomb (C)

Question 3

What is voltage?

Answer 3

The energy required to move charge between two points.

Question 4

What is the symbol and unit for voltage?

Answer 4

Symbol: V Unit: Volt (V)

Question 5

What is current?

Answer 5

The rate of charge movement

Question 6

What is the symbol and unit of current?

Answer 6

Symbol: I Unit: Amp (A)

Question 7

What is resistance?

Answer 7

How difficult it is for charge to flow through an element

Question 8

What is the symbol and unit of resistance?

Answer 8

Symbol: R Unit: Ohm (Ω)

Question 9

What is conductance?

Answer 9

How easily charge flows through an element

Question 10

What is the symbol and unit of conductance?

Answer 10

Symbol: G Unit: Siemens (S)

Question 11

What is energy?

Answer 11

The quantitative property that must be transferred to an object in order to perform work on it

Question 12

What is the symbol and unit of energy?

Answer 12

Symbol: W Unit: Joule (J)

Question 13

What is power?

Answer 13

Work done per unit time

Question 14

What is the symbol and unit of power?

Answer 14

Symbol: P Unit: Watts (W)

Question 15

What is efficiency?

Answer 15

The ratio between useful work performed and total energy consumed

Question 16

What is the symbol and unit of efficiency?

Answer 16

Symbol: η UNit: None, it’s a ratio