Resistance and circuit components

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Question 35
Easy

Figure 1 shows a small buzzer connected to a d.c. power supply.

The power supply provides a potential difference of 4.8 V.

The current in the buzzer is 0.16 A.

Calculate the resistance of the buzzer. Use the equation:

R=VI R = \frac{V}{I} R=IV​

Figure 1: A simple circuit diagram consisting of a single closed loop with a d.c. power supply at the top and a buzzer at the bottom.

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Resistance and circuit components Questions

  1. GCSE
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