Electric Current and electric circuits

Which equation can be rearranged to calculate the the electric current given?

• I = Q ÷ t

• Q = It

• I = Qt

• I = t ÷Q

Which equation can be rearranged to calculate the time?

• t = Q ÷ I

• t = IQ

Quantity of charge can be measured in

• time (s)

• Ampere (A)

• coulombs (C)

• Joule (J)

Calculate the quantity of charge, Q, obtained when a current of 25 amps runs for 1 minute

• Q = 1,800 C

• Q = 1,500 C

• Q = 1000 C

• Q = 3000 C

A potential difference of 24 V is applied to a 150 resistor. How much current flows through the resistor?

• 0.15 A

• 3600 A

• 6.25 A

• 0.16 A

Q= which of the following situation has 1) the greatest electric current 2) the smallest electric current? Where a: is the flow of 3C in 1 s, b: a person walking 8m in 4 s and c: the flow of 6C in 3 s.

• 1) a, 2) b

• 1) c, 2) a

• 1) a, 2) c

• 1) b, 2) c

Bonus Question:

who made this quiz?

• Bashayer Faisal

• Mariam Khalid

• Shahad Alnaqbi

• Sara Alnaqbi

What is a circuit?

• A rate of charges flow through a cross-sectional area of a wire

• A closed path that a current can flow along

What is a current?

• A rate of charges flow through a cross-sectional area of a wire

• A closed path that a current can flow along

Tags

NGSS.HS-PS2-5

___________ wires keep electrons on course & protect us from the dangerous flow of electricity. 

• Insulated
• Conducted

Tags

NGSS.MS-PS2-3