2 Electricity

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Question 15

An industrial power backup system uses a high-capacity battery storage facility to supply electricity to a local factory during a grid outage.

a.

Write down the equation which links charge flow ( $Q$ ), current ( $I$ ), and time ( $t$ ).

[1]

b.

The battery storage facility supplies a current of $A16,000\text{ A}$ during a short-term outage. Calculate the charge flow from this system in $minutes8\text{ minutes}$ .

[3]

c.

State the correct SI unit for charge flow from the following choices:

amperes
coulombs
joules

[1]

2 Electricity

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17

Question 15

An industrial power backup system uses a high-capacity battery storage facility to supply electricity to a local factory during a grid outage.

a.

Write down the equation which links charge flow ( $Q$ ), current ( $I$ ), and time ( $t$ ).

[1]

b.

The battery storage facility supplies a current of $A16,000\text{ A}$ during a short-term outage. Calculate the charge flow from this system in $minutes8\text{ minutes}$ .

[3]

c.

State the correct SI unit for charge flow from the following choices:

amperes
coulombs
joules

[1]

2 Electricity

Question 15

Markscheme

2 Electricity

Question 15

Markscheme

2 Electricity

Question 15

2 Electricity Questions

2 Electricity

Question 15

2 Electricity Questions