Electrical power

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Question 11
Easy

Figure 1 shows a simple circuit with a Peltier thermoelectric cooling element connected to a d.c. power supply.

Figure 1: A simple circuit diagram consisting of a single loop. A d.c. power supply is at the top of the loop, and a Peltier element is at the bottom of the loop.

The potential difference across the Peltier element is 12.5 V and the current passing through it is 4.8 A.

Calculate the electrical power supplied to the Peltier element.

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Electrical power Questions

  1. GCSE
  2. /Physics
  3. /Electrical power