Current, potential difference and resistance

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Question 13
Easy

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 (QQQ), current (III), and time (ttt).

[1]
b.

The battery storage facility supplies a current of 16,000 A16,000\text{ A}16,000 A during a short-term outage. Calculate the charge flow from this system in 8 minutes8\text{ minutes}8 minutes.

[3]
c.

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

  • amperes
  • coulombs
  • joules
[1]

Current, potential difference and resistance Questions

  1. GCSE
  2. /Physics
  3. /Current, potential difference and resistance