Electrical Charge and Current

What does the charge in an electrical circuit analogously represent in the water flow analogy?

• The width of the river

• The speed of water flow

• The depth of the river

• The total amount of water that has flowed

What unit is used to measure electrical charge?

• Watt

• Joule

• Coulomb

• Ampere

Which letter is commonly used to represent charge in physics?

• A

• Q

• C

• E

What does the letter 'C' represent in the context of electrical measurements?

• Circuit

• Current

• Capacitance

• Coulomb

What is the relationship between current, charge, and time in an electrical circuit?

• Charge = Current / Time

• Charge = Current + Time

• Charge = Current - Time

• Charge = Current * Time

If a kettle draws 7 amps for 2 minutes, how much charge passes through it?

• 14 Coulombs

• 3.5 Coulombs

• 840 Coulombs

• 420 Coulombs

How many coulombs of charge does a kettle generate if it uses 12 amps for 50 seconds?

• 500 Coulombs

• 300 Coulombs

• 400 Coulombs

• 600 Coulombs

What is the first step in solving for current when the charge and time are known?

• Multiply charge by time

• Divide charge by time

• Add charge to time

• Subtract time from charge

What does the equation 'I = Q / T' represent?

• Current equals resistance divided by time

• Current equals power divided by time

• Current equals charge divided by time

• Current equals voltage divided by time

To convert hours into seconds, what should you multiply by?

• 60

• 3600

• 1000

• 100